diff --git a/.eslintrc.json b/.eslintrc.json
index b9ddbae..84e4c9e 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -11,7 +11,7 @@
       "extends": ["plugin:@typescript-eslint/recommended"],
       "parser": "@typescript-eslint/parser",
       "parserOptions": {
-        "project": ["tsconfig.eslint.json"]
+        "project": ["tsconfig.json"]
       },
       "plugins": ["@typescript-eslint", "eslint-plugin-tsdoc"],
       "rules": {
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 4cdc0f4..64fdc69 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -12,8 +12,6 @@ jobs:
       fail-fast: false
       matrix:
         os: [windows, ubuntu, macos]
-    env:
-      NODE_OPTIONS: --experimental-vm-modules
     steps:
       - name: Checkout
         uses: actions/checkout@v4.1.1
@@ -34,6 +32,8 @@ jobs:
 
       - name: Test Package
         run: yarn test
+        env:
+          NODE_OPTIONS: --experimental-vm-modules
 
   test-action:
     name: Test Action
diff --git a/jest.config.json b/jest.config.json
index 46831bb..8b7bd70 100644
--- a/jest.config.json
+++ b/jest.config.json
@@ -8,12 +8,7 @@
       "statements": 100
     }
   },
-  "extensionsToTreatAsEsm": [".ts", ".mts"],
   "moduleNameMapper": {
-    "^(\\.{1,2}/.*)\\.mjs$": "$1.mts"
-  },
-  "testMatch": ["**/*.test.ts"],
-  "transform": {
-    "^.+\\.m?ts$": ["ts-jest", { "useESM": true }]
+    "^(\\.{1,2}/.*)\\.mjs$": "<rootDir>/dist/$1.mjs"
   }
 }
diff --git a/package.json b/package.json
index f24f560..417f0a1 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "scripts": {
     "bundle": "tsc && ncc build dist/main.mjs -o main",
     "check": "sort-package-json && prettier --write . !main !README.md && eslint src",
-    "test": "jest"
+    "test": "tsc && jest"
   },
   "dependencies": {
     "@actions/core": "^1.10.1",
@@ -13,8 +13,6 @@
     "@actions/io": "^1.1.3"
   },
   "devDependencies": {
-    "@jest/globals": "^29.7.0",
-    "@types/jest": "^29.5.10",
     "@types/node": "^20.10.4",
     "@typescript-eslint/eslint-plugin": "^6.13.2",
     "@typescript-eslint/parser": "^6.13.2",
@@ -25,7 +23,6 @@
     "jest": "^29.7.0",
     "prettier": "^3.1.0",
     "sort-package-json": "^2.6.0",
-    "ts-jest": "^29.1.1",
     "typescript": "^5.3.3"
   },
   "packageManager": "yarn@4.0.2"
diff --git a/src/main.test.ts b/src/main.test.js
similarity index 100%
rename from src/main.test.ts
rename to src/main.test.js
diff --git a/tsconfig.eslint.json b/tsconfig.eslint.json
deleted file mode 100644
index a8d4317..0000000
--- a/tsconfig.eslint.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "extends": "./tsconfig.json",
-  "exclude": []
-}
diff --git a/tsconfig.json b/tsconfig.json
index 84fd3e5..129488d 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -12,6 +12,5 @@
     "target": "ES2022",
     "skipLibCheck": true
   },
-  "include": ["src"],
-  "exclude": ["**/*.test.*"]
+  "include": ["src"]
 }
diff --git a/yarn.lock b/yarn.lock
index 1f067d9..1dcc239 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1006,16 +1006,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/jest@npm:^29.5.10":
-  version: 29.5.10
-  resolution: "@types/jest@npm:29.5.10"
-  dependencies:
-    expect: "npm:^29.0.0"
-    pretty-format: "npm:^29.0.0"
-  checksum: b46171d59d12a5f69bbe710f65eaf59a8073337c6b4a67dff8158575caec53f1c61f8a7d645b34d6ac3c4ea398acd30f0c5d1c4a131c0c918798019264a3397d
-  languageName: node
-  linkType: hard
-
 "@types/json-schema@npm:^7.0.12":
   version: 7.0.15
   resolution: "@types/json-schema@npm:7.0.15"
@@ -1480,15 +1470,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"bs-logger@npm:0.x":
-  version: 0.2.6
-  resolution: "bs-logger@npm:0.2.6"
-  dependencies:
-    fast-json-stable-stringify: "npm:2.x"
-  checksum: 80e89aaaed4b68e3374ce936f2eb097456a0dddbf11f75238dbd53140b1e39259f0d248a5089ed456f1158984f22191c3658d54a713982f676709fbe1a6fa5a0
-  languageName: node
-  linkType: hard
-
 "bser@npm:2.1.1":
   version: 2.1.1
   resolution: "bser@npm:2.1.1"
@@ -1627,8 +1608,6 @@ __metadata:
     "@actions/core": "npm:^1.10.1"
     "@actions/exec": "npm:^1.1.1"
     "@actions/io": "npm:^1.1.3"
-    "@jest/globals": "npm:^29.7.0"
-    "@types/jest": "npm:^29.5.10"
     "@types/node": "npm:^20.10.4"
     "@typescript-eslint/eslint-plugin": "npm:^6.13.2"
     "@typescript-eslint/parser": "npm:^6.13.2"
@@ -1639,7 +1618,6 @@ __metadata:
     jest: "npm:^29.7.0"
     prettier: "npm:^3.1.0"
     sort-package-json: "npm:^2.6.0"
-    ts-jest: "npm:^29.1.1"
     typescript: "npm:^5.3.3"
   languageName: unknown
   linkType: soft
@@ -2074,7 +2052,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"expect@npm:^29.0.0, expect@npm:^29.7.0":
+"expect@npm:^29.7.0":
   version: 29.7.0
   resolution: "expect@npm:29.7.0"
   dependencies:
@@ -2114,7 +2092,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"fast-json-stable-stringify@npm:2.x, fast-json-stable-stringify@npm:^2.0.0, fast-json-stable-stringify@npm:^2.1.0":
+"fast-json-stable-stringify@npm:^2.0.0, fast-json-stable-stringify@npm:^2.1.0":
   version: 2.1.0
   resolution: "fast-json-stable-stringify@npm:2.1.0"
   checksum: 7f081eb0b8a64e0057b3bb03f974b3ef00135fbf36c1c710895cd9300f13c94ba809bb3a81cf4e1b03f6e5285610a61abbd7602d0652de423144dfee5a389c9b
@@ -3086,7 +3064,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"jest-util@npm:^29.0.0, jest-util@npm:^29.7.0":
+"jest-util@npm:^29.7.0":
   version: 29.7.0
   resolution: "jest-util@npm:29.7.0"
   dependencies:
@@ -3302,13 +3280,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"lodash.memoize@npm:4.x":
-  version: 4.1.2
-  resolution: "lodash.memoize@npm:4.1.2"
-  checksum: c8713e51eccc650422716a14cece1809cfe34bc5ab5e242b7f8b4e2241c2483697b971a604252807689b9dd69bfe3a98852e19a5b89d506b000b4187a1285df8
-  languageName: node
-  linkType: hard
-
 "lodash.merge@npm:^4.6.2":
   version: 4.6.2
   resolution: "lodash.merge@npm:4.6.2"
@@ -3350,13 +3321,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"make-error@npm:1.x":
-  version: 1.3.6
-  resolution: "make-error@npm:1.3.6"
-  checksum: 171e458d86854c6b3fc46610cfacf0b45149ba043782558c6875d9f42f222124384ad0b468c92e996d815a8a2003817a710c0a160e49c1c394626f76fa45396f
-  languageName: node
-  linkType: hard
-
 "make-fetch-happen@npm:^13.0.0":
   version: 13.0.0
   resolution: "make-fetch-happen@npm:13.0.0"
@@ -3805,7 +3769,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"pretty-format@npm:^29.0.0, pretty-format@npm:^29.7.0":
+"pretty-format@npm:^29.7.0":
   version: 29.7.0
   resolution: "pretty-format@npm:29.7.0"
   dependencies:
@@ -4329,39 +4293,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ts-jest@npm:^29.1.1":
-  version: 29.1.1
-  resolution: "ts-jest@npm:29.1.1"
-  dependencies:
-    bs-logger: "npm:0.x"
-    fast-json-stable-stringify: "npm:2.x"
-    jest-util: "npm:^29.0.0"
-    json5: "npm:^2.2.3"
-    lodash.memoize: "npm:4.x"
-    make-error: "npm:1.x"
-    semver: "npm:^7.5.3"
-    yargs-parser: "npm:^21.0.1"
-  peerDependencies:
-    "@babel/core": ">=7.0.0-beta.0 <8"
-    "@jest/types": ^29.0.0
-    babel-jest: ^29.0.0
-    jest: ^29.0.0
-    typescript: ">=4.3 <6"
-  peerDependenciesMeta:
-    "@babel/core":
-      optional: true
-    "@jest/types":
-      optional: true
-    babel-jest:
-      optional: true
-    esbuild:
-      optional: true
-  bin:
-    ts-jest: cli.js
-  checksum: 6c45e0aeeff9cc54a64f931c43e1b99f4a1f0ddf44786cc128e7e55603ab7473c8c8f62fd83bd7e51bfe83e3c0c683132152efaeb844516bf7c923f4e92d157d
-  languageName: node
-  linkType: hard
-
 "tunnel@npm:^0.0.6":
   version: 0.0.6
   resolution: "tunnel@npm:0.0.6"
@@ -4587,7 +4518,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"yargs-parser@npm:^21.0.1, yargs-parser@npm:^21.1.1":
+"yargs-parser@npm:^21.1.1":
   version: 21.1.1
   resolution: "yargs-parser@npm:21.1.1"
   checksum: f84b5e48169479d2f402239c59f084cfd1c3acc197a05c59b98bab067452e6b3ea46d4dd8ba2985ba7b3d32a343d77df0debd6b343e5dae3da2aab2cdf5886b2