diff --git a/.github/workflows/package-pr.yaml b/.github/workflows/package-pr.yaml
index 7f1849d..c6be24d 100644
--- a/.github/workflows/package-pr.yaml
+++ b/.github/workflows/package-pr.yaml
@@ -126,7 +126,7 @@ jobs:
                     do
                       TEST_RUNTIME=$(awk -F. '{print $2}' <<< $(basename $tscript))
                       echo Running $tscript with runtime=$TEST_RUNTIME
-                      docker run --network container:api -v "$PWD/cli:/app" -v "$PWD/$(dirname $tscript):/pkg" node:15 /app/index.js run $TEST_RUNTIME -l $PKG_VERSION /pkg/$(basename $tscript) > test_output
+                      docker run --network container:api -v "$PWD/cli:/app" -v "$PWD/$(dirname $tscript):/pkg" npx ts-node /app/src/index.ts run $TEST_RUNTIME -l $PKG_VERSION /pkg/$(basename $tscript) > test_output
                       cat test_output
                       grep "OK" test_output
                     done
diff --git a/api/package.json b/api/package.json
index 53d8ba6..07ccd64 100644
--- a/api/package.json
+++ b/api/package.json
@@ -2,10 +2,10 @@
     "name": "piston-api",
     "version": "3.2.0",
     "description": "API for piston - a high performance code execution engine",
-    "module": "./dist/index.js",
+    "module": "./dist/src/index.ts",
     "type": "module",
     "scripts": {
-        "api": "node ./dist/index.js",
+        "api": "node ./dist/src/index.ts",
         "build": "npx tsc"
     },
     "dependencies": {
@@ -24,6 +24,7 @@
     "devDependencies": {
         "@types/express": "^4.17.17",
         "@types/node-fetch": "^2.6.2",
+        "ts-node": "^10.9.1",
         "typescript": "^4.9.5"
     }
 }
diff --git a/api/tsconfig.json b/api/tsconfig.json
index ca4d1bd..9195f3b 100644
--- a/api/tsconfig.json
+++ b/api/tsconfig.json
@@ -11,6 +11,9 @@
         "rootDir": "src",
         // "declaration": true
     },
+    "ts-node": {
+        "esm": true
+    },
     "include": ["src"],
     "exclude": ["dist", "node_modules"]
 }