diff --git a/package.json b/package.json
index ab16fe2..11d5db2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@technote-space/github-action-test-helper",
-  "version": "0.11.14",
+  "version": "0.11.15",
   "description": "Test helper for GitHub Actions.",
   "keywords": [
     "github",
@@ -40,11 +40,12 @@
     "update": "npm_config_yes=true npx npm-check-updates -u --timeout 100000 && yarn install && yarn upgrade && yarn audit"
   },
   "dependencies": {
-    "js-yaml": "4.1.0"
-  },
-  "devDependencies": {
     "@actions/core": "^1.10.0",
     "@actions/github": "^5.1.1",
+    "js-yaml": "4.1.0",
+    "vitest": "^0.31.1"
+  },
+  "devDependencies": {
     "@rollup/plugin-typescript": "^11.1.1",
     "@sindresorhus/tsconfig": "^3.0.1",
     "@types/js-yaml": "^4.0.5",
@@ -55,8 +56,7 @@
     "eslint": "^8.41.0",
     "eslint-plugin-import": "^2.27.5",
     "rollup": "^3.22.0",
-    "typescript": "^5.0.4",
-    "vitest": "^0.31.1"
+    "typescript": "^5.0.4"
   },
   "publishConfig": {
     "access": "public"