diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d5a3527..5743612 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,8 @@ jobs:
         node: [20, 22, 24]
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
+      - name: Enable corepack
+        run: corepack enable
       - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node }}
@@ -30,7 +31,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
+      - name: Enable corepack
+        run: corepack enable
       - uses: actions/setup-node@v4
         with:
           node-version: 24
@@ -44,7 +46,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
+      - name: Enable corepack
+        run: corepack enable
       - uses: actions/setup-node@v4
         with:
           node-version: 24
@@ -57,7 +60,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
+      - name: Enable corepack
+        run: corepack enable
       - uses: actions/setup-node@v4
         with:
           node-version: 24
diff --git a/package.json b/package.json
index 17cf3aa..7738514 100644
--- a/package.json
+++ b/package.json
@@ -36,9 +36,10 @@
     "test": "node --test test.mjs && node --test test-cjs.cjs",
     "prepublishOnly": "tsup",
     "lint": "eslint .",
-    "format": "prettier --write .",
-    "format:check": "prettier --check .",
-    "coverage": "c8 --reporter=lcov --reporter=text node --test"
+    "format": "prettier --write src/",
+    "format:check": "prettier --check src/",
+    "coverage": "c8 --reporter=lcov --reporter=text node --test",
+    "postbuild": "cp dist/index.d.ts dist/index.d.mts"
   },
   "keywords": [
     "hijri",