diff --git a/packages/attest/RELEASES.md b/packages/attest/RELEASES.md
index 8fad8385..776cd2d6 100644
--- a/packages/attest/RELEASES.md
+++ b/packages/attest/RELEASES.md
@@ -1,5 +1,9 @@
 # @actions/attest Releases
 
+### 1.3.1
+
+- Fix bug with proxy support when retrieving JWKS for OIDC issuer
+
 ### 1.3.0
 
 - Dynamic construction of Sigstore API URLs
diff --git a/packages/attest/__tests__/oidc.test.ts b/packages/attest/__tests__/oidc.test.ts
index ec02ae29..69ffa340 100644
--- a/packages/attest/__tests__/oidc.test.ts
+++ b/packages/attest/__tests__/oidc.test.ts
@@ -99,7 +99,7 @@ describe('getIDTokenClaims', () => {
     })
 
     it('throws an error', async () => {
-      await expect(getIDTokenClaims(issuer)).rejects.toThrow(/issuer invalid/)
+      await expect(getIDTokenClaims(issuer)).rejects.toThrow(/unexpected "iss"/)
     })
   })
 
@@ -115,7 +115,7 @@ describe('getIDTokenClaims', () => {
     })
 
     it('throw an error', async () => {
-      await expect(getIDTokenClaims(issuer)).rejects.toThrow(/audience invalid/)
+      await expect(getIDTokenClaims(issuer)).rejects.toThrow(/unexpected "aud"/)
     })
   })
 
diff --git a/packages/attest/package-lock.json b/packages/attest/package-lock.json
index 3bb7cbbc..b52d2a4e 100644
--- a/packages/attest/package-lock.json
+++ b/packages/attest/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@actions/attest",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@actions/attest",
-      "version": "1.3.0",
+      "version": "1.3.1",
       "license": "MIT",
       "dependencies": {
         "@actions/core": "^1.10.1",
@@ -15,14 +15,12 @@
         "@octokit/plugin-retry": "^6.0.1",
         "@sigstore/bundle": "^2.3.2",
         "@sigstore/sign": "^2.3.2",
-        "jsonwebtoken": "^9.0.2",
-        "jwks-rsa": "^3.1.0"
+        "jose": "^5.2.3"
       },
       "devDependencies": {
         "@sigstore/mock": "^0.7.4",
         "@sigstore/rekor-types": "^2.0.0",
         "@types/jsonwebtoken": "^9.0.6",
-        "jose": "^5.2.3",
         "nock": "^13.5.1",
         "undici": "^5.28.4"
       }
@@ -561,100 +559,24 @@
         "node": "^16.14.0 || >=18.0.0"
       }
     },
-    "node_modules/@types/body-parser": {
-      "version": "1.19.5",
-      "resolved": "https://registry.npmjs.org/@types/body-parser/-/body-parser-1.19.5.tgz",
-      "integrity": "sha512-fB3Zu92ucau0iQ0JMCFQE7b/dv8Ot07NI3KaZIkIUNXq82k4eBAqUaneXfleGY9JWskeS9y+u0nXMyspcuQrCg==",
-      "dependencies": {
-        "@types/connect": "*",
-        "@types/node": "*"
-      }
-    },
-    "node_modules/@types/connect": {
-      "version": "3.4.38",
-      "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.38.tgz",
-      "integrity": "sha512-K6uROf1LD88uDQqJCktA4yzL1YYAK6NgfsI0v/mTgyPKWsX1CnJ0XPSDhViejru1GcRkLWb8RlzFYJRqGUbaug==",
-      "dependencies": {
-        "@types/node": "*"
-      }
-    },
-    "node_modules/@types/express": {
-      "version": "4.17.21",
-      "resolved": "https://registry.npmjs.org/@types/express/-/express-4.17.21.tgz",
-      "integrity": "sha512-ejlPM315qwLpaQlQDTjPdsUFSc6ZsP4AN6AlWnogPjQ7CVi7PYF3YVz+CY3jE2pwYf7E/7HlDAN0rV2GxTG0HQ==",
-      "dependencies": {
-        "@types/body-parser": "*",
-        "@types/express-serve-static-core": "^4.17.33",
-        "@types/qs": "*",
-        "@types/serve-static": "*"
-      }
-    },
-    "node_modules/@types/express-serve-static-core": {
-      "version": "4.17.43",
-      "resolved": "https://registry.npmjs.org/@types/express-serve-static-core/-/express-serve-static-core-4.17.43.tgz",
-      "integrity": "sha512-oaYtiBirUOPQGSWNGPWnzyAFJ0BP3cwvN4oWZQY+zUBwpVIGsKUkpBpSztp74drYcjavs7SKFZ4DX1V2QeN8rg==",
-      "dependencies": {
-        "@types/node": "*",
-        "@types/qs": "*",
-        "@types/range-parser": "*",
-        "@types/send": "*"
-      }
-    },
-    "node_modules/@types/http-errors": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/@types/http-errors/-/http-errors-2.0.4.tgz",
-      "integrity": "sha512-D0CFMMtydbJAegzOyHjtiKPLlvnm3iTZyZRSZoLq2mRhDdmLfIWOCYPfQJ4cu2erKghU++QvjcUjp/5h7hESpA=="
-    },
     "node_modules/@types/jsonwebtoken": {
       "version": "9.0.6",
       "resolved": "https://registry.npmjs.org/@types/jsonwebtoken/-/jsonwebtoken-9.0.6.tgz",
       "integrity": "sha512-/5hndP5dCjloafCXns6SZyESp3Ldq7YjH3zwzwczYnjxIT0Fqzk5ROSYVGfFyczIue7IUEj8hkvLbPoLQ18vQw==",
+      "dev": true,
       "dependencies": {
         "@types/node": "*"
       }
     },
-    "node_modules/@types/mime": {
-      "version": "1.3.5",
-      "resolved": "https://registry.npmjs.org/@types/mime/-/mime-1.3.5.tgz",
-      "integrity": "sha512-/pyBZWSLD2n0dcHE3hq8s8ZvcETHtEuF+3E7XVt0Ig2nvsVQXdghHVcEkIWjy9A0wKfTn97a/PSDYohKIlnP/w=="
-    },
     "node_modules/@types/node": {
       "version": "20.11.19",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-20.11.19.tgz",
       "integrity": "sha512-7xMnVEcZFu0DikYjWOlRq7NTPETrm7teqUT2WkQjrTIkEgUyyGdWsj/Zg8bEJt5TNklzbPD1X3fqfsHw3SpapQ==",
+      "dev": true,
       "dependencies": {
         "undici-types": "~5.26.4"
       }
     },
-    "node_modules/@types/qs": {
-      "version": "6.9.14",
-      "resolved": "https://registry.npmjs.org/@types/qs/-/qs-6.9.14.tgz",
-      "integrity": "sha512-5khscbd3SwWMhFqylJBLQ0zIu7c1K6Vz0uBIt915BI3zV0q1nfjRQD3RqSBcPaO6PHEF4ov/t9y89fSiyThlPA=="
-    },
-    "node_modules/@types/range-parser": {
-      "version": "1.2.7",
-      "resolved": "https://registry.npmjs.org/@types/range-parser/-/range-parser-1.2.7.tgz",
-      "integrity": "sha512-hKormJbkJqzQGhziax5PItDUTMAM9uE2XXQmM37dyd4hVM+5aVl7oVxMVUiVQn2oCQFN/LKCZdvSM0pFRqbSmQ=="
-    },
-    "node_modules/@types/send": {
-      "version": "0.17.4",
-      "resolved": "https://registry.npmjs.org/@types/send/-/send-0.17.4.tgz",
-      "integrity": "sha512-x2EM6TJOybec7c52BX0ZspPodMsQUd5L6PRwOunVyVUhXiBSKf3AezDL8Dgvgt5o0UfKNfuA0eMLr2wLT4AiBA==",
-      "dependencies": {
-        "@types/mime": "^1",
-        "@types/node": "*"
-      }
-    },
-    "node_modules/@types/serve-static": {
-      "version": "1.15.5",
-      "resolved": "https://registry.npmjs.org/@types/serve-static/-/serve-static-1.15.5.tgz",
-      "integrity": "sha512-PDRk21MnK70hja/YF8AHfC7yIsiQHn1rcXx7ijCFBX/k+XQJhQT/gw3xekXKJvx+5SXaMMS8oqQy09Mzvz2TuQ==",
-      "dependencies": {
-        "@types/http-errors": "*",
-        "@types/mime": "*",
-        "@types/node": "*"
-      }
-    },
     "node_modules/agent-base": {
       "version": "7.1.1",
       "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-7.1.1.tgz",
@@ -737,11 +659,6 @@
         "balanced-match": "^1.0.0"
       }
     },
-    "node_modules/buffer-equal-constant-time": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz",
-      "integrity": "sha512-zRpUiDwd/xk6ADqPMATG8vc9VPrkck7T07OIx0gnjmJAnHnTVXNQG3vfvWNuiZIkwu9KrKdA1iJKfsfTVxE6NA=="
-    },
     "node_modules/bytestreamjs": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/bytestreamjs/-/bytestreamjs-2.0.1.tgz",
@@ -850,14 +767,6 @@
       "resolved": "https://registry.npmjs.org/eastasianwidth/-/eastasianwidth-0.2.0.tgz",
       "integrity": "sha512-I88TYZWc9XiYHRQ4/3c5rjjfgkjhLyW2luGIheGERbNQ6OY7yTybanSpDXZa8y7VUP9YmDcYa+eyq4ca7iLqWA=="
     },
-    "node_modules/ecdsa-sig-formatter": {
-      "version": "1.0.11",
-      "resolved": "https://registry.npmjs.org/ecdsa-sig-formatter/-/ecdsa-sig-formatter-1.0.11.tgz",
-      "integrity": "sha512-nagl3RYrbNv6kQkeJIpt6NJZy8twLB/2vtz6yN9Z4vRKHN4/QZJIEbqohALSgwKdnksuY3k5Addp5lg8sVoVcQ==",
-      "dependencies": {
-        "safe-buffer": "^5.0.1"
-      }
-    },
     "node_modules/emoji-regex": {
       "version": "9.2.2",
       "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-9.2.2.tgz",
@@ -1041,7 +950,6 @@
       "version": "5.3.0",
       "resolved": "https://registry.npmjs.org/jose/-/jose-5.3.0.tgz",
       "integrity": "sha512-IChe9AtAE79ru084ow8jzkN2lNrG3Ntfiv65Cvj9uOCE2m5LNsdHG+9EbxWxAoWRF9TgDOqLN5jm08++owDVRg==",
-      "dev": true,
       "funding": {
         "url": "https://github.com/sponsors/panva"
       }
@@ -1057,115 +965,6 @@
       "integrity": "sha512-ZClg6AaYvamvYEE82d3Iyd3vSSIjQ+odgjaTzRuO3s7toCdFKczob2i0zCh7JE8kWn17yvAWhUVxvqGwUalsRA==",
       "dev": true
     },
-    "node_modules/jsonwebtoken": {
-      "version": "9.0.2",
-      "resolved": "https://registry.npmjs.org/jsonwebtoken/-/jsonwebtoken-9.0.2.tgz",
-      "integrity": "sha512-PRp66vJ865SSqOlgqS8hujT5U4AOgMfhrwYIuIhfKaoSCZcirrmASQr8CX7cUg+RMih+hgznrjp99o+W4pJLHQ==",
-      "dependencies": {
-        "jws": "^3.2.2",
-        "lodash.includes": "^4.3.0",
-        "lodash.isboolean": "^3.0.3",
-        "lodash.isinteger": "^4.0.4",
-        "lodash.isnumber": "^3.0.3",
-        "lodash.isplainobject": "^4.0.6",
-        "lodash.isstring": "^4.0.1",
-        "lodash.once": "^4.0.0",
-        "ms": "^2.1.1",
-        "semver": "^7.5.4"
-      },
-      "engines": {
-        "node": ">=12",
-        "npm": ">=6"
-      }
-    },
-    "node_modules/jwa": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/jwa/-/jwa-1.4.1.tgz",
-      "integrity": "sha512-qiLX/xhEEFKUAJ6FiBMbes3w9ATzyk5W7Hvzpa/SLYdxNtng+gcurvrI7TbACjIXlsJyr05/S1oUhZrc63evQA==",
-      "dependencies": {
-        "buffer-equal-constant-time": "1.0.1",
-        "ecdsa-sig-formatter": "1.0.11",
-        "safe-buffer": "^5.0.1"
-      }
-    },
-    "node_modules/jwks-rsa": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/jwks-rsa/-/jwks-rsa-3.1.0.tgz",
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-      "dependencies": {
-        "@types/express": "^4.17.17",
-        "@types/jsonwebtoken": "^9.0.2",
-        "debug": "^4.3.4",
-        "jose": "^4.14.6",
-        "limiter": "^1.1.5",
-        "lru-memoizer": "^2.2.0"
-      },
-      "engines": {
-        "node": ">=14"
-      }
-    },
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-      "resolved": "https://registry.npmjs.org/jose/-/jose-4.15.5.tgz",
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-      "version": "4.0.4",
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-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/lodash.isstring/-/lodash.isstring-4.0.1.tgz",
-      "integrity": "sha512-0wJxfxH1wgO3GrbuP+dTTk7op+6L41QCXbGINEmD+ny/G/eCqGzxyCsh7159S+mgDDcoarnBw6PC1PS5+wUGgw=="
-    },
-    "node_modules/lodash.once": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/lodash.once/-/lodash.once-4.1.1.tgz",
-      "integrity": "sha512-Sb487aTOCr9drQVL8pIxOzVhafOjZN9UU54hiN8PU3uAiSV7lx1yYNpbNmex2PK6dSJoNTSJUUswT651yww3Mg=="
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     "node_modules/lru-cache": {
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@@ -1174,29 +973,6 @@
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     },
-    "node_modules/lru-memoizer": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/lru-memoizer/-/lru-memoizer-2.2.0.tgz",
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-      "dependencies": {
-        "lodash.clonedeep": "^4.5.0",
-        "lru-cache": "~4.0.0"
-      }
-    },
-    "node_modules/lru-memoizer/node_modules/lru-cache": {
-      "version": "4.0.2",
-      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.0.2.tgz",
-      "integrity": "sha512-uQw9OqphAGiZhkuPlpFGmdTU2tEuhxTourM/19qGJrxBPHAr/f8BT1a0i/lOclESnGatdJG/UCkP9kZB/Lh1iw==",
-      "dependencies": {
-        "pseudomap": "^1.0.1",
-        "yallist": "^2.0.0"
-      }
-    },
-    "node_modules/lru-memoizer/node_modules/yallist": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
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       "resolved": "https://registry.npmjs.org/make-fetch-happen/-/make-fetch-happen-13.0.1.tgz",
@@ -1485,11 +1261,6 @@
         "node": ">= 8"
       }
     },
-    "node_modules/pseudomap": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/pseudomap/-/pseudomap-1.0.2.tgz",
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-    },
     "node_modules/pvtsutils": {
       "version": "1.3.5",
       "resolved": "https://registry.npmjs.org/pvtsutils/-/pvtsutils-1.3.5.tgz",
@@ -1522,25 +1293,6 @@
         "node": ">= 4"
       }
     },
-    "node_modules/safe-buffer": {
-      "version": "5.2.1",
-      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
-      "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==",
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/feross"
-        },
-        {
-          "type": "patreon",
-          "url": "https://www.patreon.com/feross"
-        },
-        {
-          "type": "consulting",
-          "url": "https://feross.org/support"
-        }
-      ]
-    },
     "node_modules/safer-buffer": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
@@ -1833,7 +1585,8 @@
     "node_modules/undici-types": {
       "version": "5.26.5",
       "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
-      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA=="
+      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==",
+      "dev": true
     },
     "node_modules/unique-filename": {
       "version": "3.0.0",
@@ -2462,100 +2215,24 @@
         "promise-retry": "^2.0.1"
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       }
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-      "resolved": "https://registry.npmjs.org/@types/mime/-/mime-1.3.5.tgz",
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-    },
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       "integrity": "sha512-7xMnVEcZFu0DikYjWOlRq7NTPETrm7teqUT2WkQjrTIkEgUyyGdWsj/Zg8bEJt5TNklzbPD1X3fqfsHw3SpapQ==",
+      "dev": true,
       "requires": {
         "undici-types": "~5.26.4"
       }
     },
-    "@types/qs": {
-      "version": "6.9.14",
-      "resolved": "https://registry.npmjs.org/@types/qs/-/qs-6.9.14.tgz",
-      "integrity": "sha512-5khscbd3SwWMhFqylJBLQ0zIu7c1K6Vz0uBIt915BI3zV0q1nfjRQD3RqSBcPaO6PHEF4ov/t9y89fSiyThlPA=="
-    },
-    "@types/range-parser": {
-      "version": "1.2.7",
-      "resolved": "https://registry.npmjs.org/@types/range-parser/-/range-parser-1.2.7.tgz",
-      "integrity": "sha512-hKormJbkJqzQGhziax5PItDUTMAM9uE2XXQmM37dyd4hVM+5aVl7oVxMVUiVQn2oCQFN/LKCZdvSM0pFRqbSmQ=="
-    },
-    "@types/send": {
-      "version": "0.17.4",
-      "resolved": "https://registry.npmjs.org/@types/send/-/send-0.17.4.tgz",
-      "integrity": "sha512-x2EM6TJOybec7c52BX0ZspPodMsQUd5L6PRwOunVyVUhXiBSKf3AezDL8Dgvgt5o0UfKNfuA0eMLr2wLT4AiBA==",
-      "requires": {
-        "@types/mime": "^1",
-        "@types/node": "*"
-      }
-    },
-    "@types/serve-static": {
-      "version": "1.15.5",
-      "resolved": "https://registry.npmjs.org/@types/serve-static/-/serve-static-1.15.5.tgz",
-      "integrity": "sha512-PDRk21MnK70hja/YF8AHfC7yIsiQHn1rcXx7ijCFBX/k+XQJhQT/gw3xekXKJvx+5SXaMMS8oqQy09Mzvz2TuQ==",
-      "requires": {
-        "@types/http-errors": "*",
-        "@types/mime": "*",
-        "@types/node": "*"
-      }
-    },
     "agent-base": {
       "version": "7.1.1",
       "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-7.1.1.tgz",
@@ -2617,11 +2294,6 @@
         "balanced-match": "^1.0.0"
       }
     },
-    "buffer-equal-constant-time": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz",
-      "integrity": "sha512-zRpUiDwd/xk6ADqPMATG8vc9VPrkck7T07OIx0gnjmJAnHnTVXNQG3vfvWNuiZIkwu9KrKdA1iJKfsfTVxE6NA=="
-    },
     "bytestreamjs": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/bytestreamjs/-/bytestreamjs-2.0.1.tgz",
@@ -2704,14 +2376,6 @@
       "resolved": "https://registry.npmjs.org/eastasianwidth/-/eastasianwidth-0.2.0.tgz",
       "integrity": "sha512-I88TYZWc9XiYHRQ4/3c5rjjfgkjhLyW2luGIheGERbNQ6OY7yTybanSpDXZa8y7VUP9YmDcYa+eyq4ca7iLqWA=="
     },
-    "ecdsa-sig-formatter": {
-      "version": "1.0.11",
-      "resolved": "https://registry.npmjs.org/ecdsa-sig-formatter/-/ecdsa-sig-formatter-1.0.11.tgz",
-      "integrity": "sha512-nagl3RYrbNv6kQkeJIpt6NJZy8twLB/2vtz6yN9Z4vRKHN4/QZJIEbqohALSgwKdnksuY3k5Addp5lg8sVoVcQ==",
-      "requires": {
-        "safe-buffer": "^5.0.1"
-      }
-    },
     "emoji-regex": {
       "version": "9.2.2",
       "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-9.2.2.tgz",
@@ -2844,8 +2508,7 @@
     "jose": {
       "version": "5.3.0",
       "resolved": "https://registry.npmjs.org/jose/-/jose-5.3.0.tgz",
-      "integrity": "sha512-IChe9AtAE79ru084ow8jzkN2lNrG3Ntfiv65Cvj9uOCE2m5LNsdHG+9EbxWxAoWRF9TgDOqLN5jm08++owDVRg==",
-      "dev": true
+      "integrity": "sha512-IChe9AtAE79ru084ow8jzkN2lNrG3Ntfiv65Cvj9uOCE2m5LNsdHG+9EbxWxAoWRF9TgDOqLN5jm08++owDVRg=="
     },
     "jsbn": {
       "version": "1.1.0",
@@ -2858,137 +2521,11 @@
       "integrity": "sha512-ZClg6AaYvamvYEE82d3Iyd3vSSIjQ+odgjaTzRuO3s7toCdFKczob2i0zCh7JE8kWn17yvAWhUVxvqGwUalsRA==",
       "dev": true
     },
-    "jsonwebtoken": {
-      "version": "9.0.2",
-      "resolved": "https://registry.npmjs.org/jsonwebtoken/-/jsonwebtoken-9.0.2.tgz",
-      "integrity": "sha512-PRp66vJ865SSqOlgqS8hujT5U4AOgMfhrwYIuIhfKaoSCZcirrmASQr8CX7cUg+RMih+hgznrjp99o+W4pJLHQ==",
-      "requires": {
-        "jws": "^3.2.2",
-        "lodash.includes": "^4.3.0",
-        "lodash.isboolean": "^3.0.3",
-        "lodash.isinteger": "^4.0.4",
-        "lodash.isnumber": "^3.0.3",
-        "lodash.isplainobject": "^4.0.6",
-        "lodash.isstring": "^4.0.1",
-        "lodash.once": "^4.0.0",
-        "ms": "^2.1.1",
-        "semver": "^7.5.4"
-      }
-    },
-    "jwa": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/jwa/-/jwa-1.4.1.tgz",
-      "integrity": "sha512-qiLX/xhEEFKUAJ6FiBMbes3w9ATzyk5W7Hvzpa/SLYdxNtng+gcurvrI7TbACjIXlsJyr05/S1oUhZrc63evQA==",
-      "requires": {
-        "buffer-equal-constant-time": "1.0.1",
-        "ecdsa-sig-formatter": "1.0.11",
-        "safe-buffer": "^5.0.1"
-      }
-    },
-    "jwks-rsa": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/jwks-rsa/-/jwks-rsa-3.1.0.tgz",
-      "integrity": "sha512-v7nqlfezb9YfHHzYII3ef2a2j1XnGeSE/bK3WfumaYCqONAIstJbrEGapz4kadScZzEt7zYCN7bucj8C0Mv/Rg==",
-      "requires": {
-        "@types/express": "^4.17.17",
-        "@types/jsonwebtoken": "^9.0.2",
-        "debug": "^4.3.4",
-        "jose": "^4.14.6",
-        "limiter": "^1.1.5",
-        "lru-memoizer": "^2.2.0"
-      },
-      "dependencies": {
-        "jose": {
-          "version": "4.15.5",
-          "resolved": "https://registry.npmjs.org/jose/-/jose-4.15.5.tgz",
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-        }
-      }
-    },
-    "jws": {
-      "version": "3.2.2",
-      "resolved": "https://registry.npmjs.org/jws/-/jws-3.2.2.tgz",
-      "integrity": "sha512-YHlZCB6lMTllWDtSPHz/ZXTsi8S00usEV6v1tjq8tOUZzw7DpSDWVXjXDre6ed1w/pd495ODpHZYSdkRTsa0HA==",
-      "requires": {
-        "jwa": "^1.4.1",
-        "safe-buffer": "^5.0.1"
-      }
-    },
-    "limiter": {
-      "version": "1.1.5",
-      "resolved": "https://registry.npmjs.org/limiter/-/limiter-1.1.5.tgz",
-      "integrity": "sha512-FWWMIEOxz3GwUI4Ts/IvgVy6LPvoMPgjMdQ185nN6psJyBJ4yOpzqm695/h5umdLJg2vW3GR5iG11MAkR2AzJA=="
-    },
-    "lodash.clonedeep": {
-      "version": "4.5.0",
-      "resolved": "https://registry.npmjs.org/lodash.clonedeep/-/lodash.clonedeep-4.5.0.tgz",
-      "integrity": "sha512-H5ZhCF25riFd9uB5UCkVKo61m3S/xZk1x4wA6yp/L3RFP6Z/eHH1ymQcGLo7J3GMPfm0V/7m1tryHuGVxpqEBQ=="
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-    },
-    "lodash.isboolean": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/lodash.isboolean/-/lodash.isboolean-3.0.3.tgz",
-      "integrity": "sha512-Bz5mupy2SVbPHURB98VAcw+aHh4vRV5IPNhILUCsOzRmsTmSQ17jIuqopAentWoehktxGd9e/hbIXq980/1QJg=="
-    },
-    "lodash.isinteger": {
-      "version": "4.0.4",
-      "resolved": "https://registry.npmjs.org/lodash.isinteger/-/lodash.isinteger-4.0.4.tgz",
-      "integrity": "sha512-DBwtEWN2caHQ9/imiNeEA5ys1JoRtRfY3d7V9wkqtbycnAmTvRRmbHKDV4a0EYc678/dia0jrte4tjYwVBaZUA=="
-    },
-    "lodash.isnumber": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/lodash.isnumber/-/lodash.isnumber-3.0.3.tgz",
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-    },
-    "lodash.isplainobject": {
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-      "resolved": "https://registry.npmjs.org/lodash.isplainobject/-/lodash.isplainobject-4.0.6.tgz",
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-    },
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-      "version": "4.0.1",
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-    },
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       "version": "10.2.2",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-10.2.2.tgz",
       "integrity": "sha512-9hp3Vp2/hFQUiIwKo8XCeFVnrg8Pk3TYNPIR7tJADKi5YfcF7vEaK7avFHTlSy3kOKYaJQaalfEo6YuXdceBOQ=="
     },
-    "lru-memoizer": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/lru-memoizer/-/lru-memoizer-2.2.0.tgz",
-      "integrity": "sha512-QfOZ6jNkxCcM/BkIPnFsqDhtrazLRsghi9mBwFAzol5GCvj4EkFT899Za3+QwikCg5sRX8JstioBDwOxEyzaNw==",
-      "requires": {
-        "lodash.clonedeep": "^4.5.0",
-        "lru-cache": "~4.0.0"
-      },
-      "dependencies": {
-        "lru-cache": {
-          "version": "4.0.2",
-          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.0.2.tgz",
-          "integrity": "sha512-uQw9OqphAGiZhkuPlpFGmdTU2tEuhxTourM/19qGJrxBPHAr/f8BT1a0i/lOclESnGatdJG/UCkP9kZB/Lh1iw==",
-          "requires": {
-            "pseudomap": "^1.0.1",
-            "yallist": "^2.0.0"
-          }
-        },
-        "yallist": {
-          "version": "2.1.2",
-          "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
-          "integrity": "sha512-ncTzHV7NvsQZkYe1DW7cbDLm0YpzHmZF5r/iyP3ZnQtMiJ+pjzisCiMNI+Sj+xQF5pXhSHxSB3uDbsBTzY/c2A=="
-        }
-      }
-    },
     "make-fetch-happen": {
       "version": "13.0.1",
       "resolved": "https://registry.npmjs.org/make-fetch-happen/-/make-fetch-happen-13.0.1.tgz",
@@ -3202,11 +2739,6 @@
       "integrity": "sha512-vGrhOavPSTz4QVNuBNdcNXePNdNMaO1xj9yBeH1ScQPjk/rhg9sSlCXPhMkFuaNNW/syTvYqsnbIJxMBfRbbag==",
       "dev": true
     },
-    "pseudomap": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/pseudomap/-/pseudomap-1.0.2.tgz",
-      "integrity": "sha512-b/YwNhb8lk1Zz2+bXXpS/LK9OisiZZ1SNsSLxN1x2OXVEhW2Ckr/7mWE5vrC1ZTiJlD9g19jWszTmJsB+oEpFQ=="
-    },
     "pvtsutils": {
       "version": "1.3.5",
       "resolved": "https://registry.npmjs.org/pvtsutils/-/pvtsutils-1.3.5.tgz",
@@ -3233,11 +2765,6 @@
       "resolved": "https://registry.npmjs.org/retry/-/retry-0.12.0.tgz",
       "integrity": "sha512-9LkiTwjUh6rT555DtE9rTX+BKByPfrMzEAtnlEtdEwr3Nkffwiihqe2bWADg+OQRjt9gl6ICdmB/ZFDCGAtSow=="
     },
-    "safe-buffer": {
-      "version": "5.2.1",
-      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
-      "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ=="
-    },
     "safer-buffer": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
@@ -3457,7 +2984,8 @@
     "undici-types": {
       "version": "5.26.5",
       "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
-      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA=="
+      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==",
+      "dev": true
     },
     "unique-filename": {
       "version": "3.0.0",
diff --git a/packages/attest/package.json b/packages/attest/package.json
index 349cd3d7..cf8e32af 100644
--- a/packages/attest/package.json
+++ b/packages/attest/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@actions/attest",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "description": "Actions attestation lib",
   "keywords": [
     "github",
@@ -38,7 +38,6 @@
     "@sigstore/mock": "^0.7.4",
     "@sigstore/rekor-types": "^2.0.0",
     "@types/jsonwebtoken": "^9.0.6",
-    "jose": "^5.2.3",
     "nock": "^13.5.1",
     "undici": "^5.28.4"
   },
@@ -49,8 +48,7 @@
     "@octokit/plugin-retry": "^6.0.1",
     "@sigstore/bundle": "^2.3.2",
     "@sigstore/sign": "^2.3.2",
-    "jsonwebtoken": "^9.0.2",
-    "jwks-rsa": "^3.1.0"
+    "jose": "^5.2.3"
   },
   "overrides": {
     "@octokit/plugin-retry": {
diff --git a/packages/attest/src/oidc.ts b/packages/attest/src/oidc.ts
index 7e3eab6d..69e18d97 100644
--- a/packages/attest/src/oidc.ts
+++ b/packages/attest/src/oidc.ts
@@ -1,7 +1,6 @@
 import {getIDToken} from '@actions/core'
 import {HttpClient} from '@actions/http-client'
-import * as jwt from 'jsonwebtoken'
-import jwks from 'jwks-rsa'
+import * as jose from 'jose'
 
 const OIDC_AUDIENCE = 'nobody'
 
@@ -40,55 +39,37 @@ export const getIDTokenClaims = async (issuer: string): Promise<ClaimSet> => {
 const decodeOIDCToken = async (
   token: string,
   issuer: string
-): Promise<jwt.JwtPayload> => {
+): Promise<jose.JWTPayload> => {
   // Verify and decode token
-  return new Promise((resolve, reject) => {
-    jwt.verify(
-      token,
-      getPublicKey(issuer),
-      {audience: OIDC_AUDIENCE, issuer},
-      (err, decoded) => {
-        if (err) {
-          reject(err)
-        } else if (!decoded || typeof decoded === 'string') {
-          reject(new Error('No decoded token'))
-        } else {
-          resolve(decoded)
-        }
-      }
-    )
+  const jwks = jose.createLocalJWKSet(await getJWKS(issuer))
+  const {payload} = await jose.jwtVerify(token, jwks, {
+    audience: OIDC_AUDIENCE,
+    issuer
   })
+
+  return payload
 }
 
-// Returns a callback to locate the public key for the given JWT header. This
-// involves two calls:
-// 1. Fetch the OpenID configuration to get the JWKS URI.
-// 2. Fetch the public key from the JWKS URI.
-const getPublicKey =
-  (issuer: string): jwt.GetPublicKeyOrSecret =>
-  (header: jwt.JwtHeader, callback: jwt.SigningKeyCallback) => {
-    // Look up the JWKS URI from the issuer's OpenID configuration
-    new HttpClient('actions/attest')
-      .getJson<OIDCConfig>(`${issuer}/.well-known/openid-configuration`)
-      .then(data => {
-        if (!data.result) {
-          callback(new Error('No OpenID configuration found'))
-        } else {
-          // Fetch the public key from the JWKS URI
-          jwks({jwksUri: data.result.jwks_uri}).getSigningKey(
-            header.kid,
-            (err, key) => {
-              callback(err, key?.getPublicKey())
-            }
-          )
-        }
-      })
-      .catch(err => {
-        callback(err)
-      })
+const getJWKS = async (issuer: string): Promise<jose.JSONWebKeySet> => {
+  const client = new HttpClient('@actions/attest')
+  const config = await client.getJson<OIDCConfig>(
+    `${issuer}/.well-known/openid-configuration`
+  )
+
+  if (!config.result) {
+    throw new Error('No OpenID configuration found')
   }
 
-function assertClaimSet(claims: jwt.JwtPayload): asserts claims is ClaimSet {
+  const jwks = await client.getJson<jose.JSONWebKeySet>(config.result.jwks_uri)
+
+  if (!jwks.result) {
+    throw new Error('No JWKS found for issuer')
+  }
+
+  return jwks.result
+}
+
+function assertClaimSet(claims: jose.JWTPayload): asserts claims is ClaimSet {
   const missingClaims: string[] = []
 
   for (const claim of REQUIRED_CLAIMS) {