diff --git a/packages/cache/RELEASES.md b/packages/cache/RELEASES.md
index 97825762..5b94146a 100644
--- a/packages/cache/RELEASES.md
+++ b/packages/cache/RELEASES.md
@@ -30,3 +30,6 @@
 ### 1.0.4
 - Use @actions/core v1.2.6
 - Fixes uploadChunk to throw an error if any unsuccessful response code is received
+
+### 1.0.5
+- Fix to ensure Windows cache paths get resolved correctly
\ No newline at end of file
diff --git a/packages/cache/package-lock.json b/packages/cache/package-lock.json
index b928bcd4..b9d44210 100644
--- a/packages/cache/package-lock.json
+++ b/packages/cache/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@actions/cache",
-  "version": "1.0.4",
+  "version": "1.0.5",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -28,6 +28,8 @@
     },
     "@actions/http-client": {
       "version": "1.0.9",
+      "resolved": "https://registry.npmjs.org/@actions/http-client/-/http-client-1.0.9.tgz",
+      "integrity": "sha512-0O4SsJ7q+MK0ycvXPl2e6bMXV7dxAXOGjrXS1eTF9s2S401Tp6c/P3c3Joz04QefC1J6Gt942Wl2jbm3f4mLcg==",
       "requires": {
         "tunnel": "0.0.6"
       },
diff --git a/packages/cache/package.json b/packages/cache/package.json
index 6848c230..05635e8f 100644
--- a/packages/cache/package.json
+++ b/packages/cache/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@actions/cache",
-  "version": "1.0.4",
+  "version": "1.0.5",
   "preview": true,
   "description": "Actions cache lib",
   "keywords": [
diff --git a/packages/cache/src/internal/cacheUtils.ts b/packages/cache/src/internal/cacheUtils.ts
index bdcef88d..36044d48 100644
--- a/packages/cache/src/internal/cacheUtils.ts
+++ b/packages/cache/src/internal/cacheUtils.ts
@@ -47,7 +47,9 @@ export async function resolvePaths(patterns: string[]): Promise<string[]> {
   })
 
   for await (const file of globber.globGenerator()) {
-    const relativeFile = path.relative(workspace, file)
+    const relativeFile = path
+      .relative(workspace, file)
+      .replace(new RegExp(`\\${path.sep}`, 'g'), '/')
     core.debug(`Matched: ${relativeFile}`)
     // Paths are made relative so the tar entries are all relative to the root of the workspace.
     paths.push(`${relativeFile}`)