diff --git a/packages/artifact/__tests__/artifact-http-client.test.ts b/packages/artifact/__tests__/artifact-http-client.test.ts
new file mode 100644
index 00000000..3ab79116
--- /dev/null
+++ b/packages/artifact/__tests__/artifact-http-client.test.ts
@@ -0,0 +1,34 @@
+import * as config from "../src/internal/shared/config"
+import { createArtifactTwirpClient } from "../src/internal/shared/artifact-twirp-client"
+import * as core from "@actions/core"
+
+jest.mock("@actions/http-client")
+
+describe("artifact-http-client", () => {
+  beforeAll(() => {
+    // mock all output so that there is less noise when running tests
+    jest.spyOn(console, "log").mockImplementation(() => {})
+    jest.spyOn(core, "debug").mockImplementation(() => {})
+    jest.spyOn(core, "info").mockImplementation(() => {})
+    jest.spyOn(core, "warning").mockImplementation(() => {})
+  })
+
+  it("should successfully create a client", () => {
+    jest.spyOn(config, "getResultsServiceUrl").mockReturnValue("http://localhost:8080")
+    jest.spyOn(config, "getRuntimeToken").mockReturnValue("token")
+    const client = createArtifactTwirpClient("upload")
+    expect(client).toBeDefined()
+  })
+
+  it("should make a request", async () => {
+    const client = createArtifactTwirpClient("upload")
+    const artifact = client.CreateArtifact(
+      {
+        workflowRunBackendId: "1234", 
+        workflowJobRunBackendId: "5678", 
+        name: "artifact", 
+        version: 4}
+    )
+    expect(artifact).toBeDefined()
+  })
+})
diff --git a/packages/artifact/src/internal/shared/artifact-twirp-client.ts b/packages/artifact/src/internal/shared/artifact-twirp-client.ts
index 02ac36c3..6e9345ea 100644
--- a/packages/artifact/src/internal/shared/artifact-twirp-client.ts
+++ b/packages/artifact/src/internal/shared/artifact-twirp-client.ts
@@ -1,7 +1,7 @@
 import { HttpClient, HttpClientResponse, HttpCodes } from "@actions/http-client"
 import { BearerCredentialHandler } from "@actions/http-client/lib/auth"
 import { info } from "@actions/core"
-import { ArtifactServiceClientJSON } from "src/generated"
+import { ArtifactServiceClientJSON } from "../../generated"
 import { getResultsServiceUrl, getRuntimeToken } from "./config"
 
 // The twirp http client must implement this interface
diff --git a/tsconfig.json b/tsconfig.json
index fb610c6e..f706470a 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -4,7 +4,7 @@
     "module": "commonjs",
     "strict": true,
     "declaration": true,
-    "target": "es6",
+    "target": "es2020",
     "sourceMap": true,
     "noImplicitAny": false,
     "baseUrl": "./",
@@ -22,4 +22,4 @@
     "**/*.test.ts",
     "**/__mocks__/*"
   ]
-}
\ No newline at end of file
+}