diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d5a3527..78edc5e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,6 +16,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: pnpm/action-setup@v4
+        with:
+          version: 10
       - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node }}
@@ -31,6 +33,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: pnpm/action-setup@v4
+        with:
+          version: 10
       - uses: actions/setup-node@v4
         with:
           node-version: 24
@@ -45,6 +49,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: pnpm/action-setup@v4
+        with:
+          version: 10
       - uses: actions/setup-node@v4
         with:
           node-version: 24
@@ -58,6 +64,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: pnpm/action-setup@v4
+        with:
+          version: 10
       - uses: actions/setup-node@v4
         with:
           node-version: 24
diff --git a/package.json b/package.json
index 32e5d56..96032e3 100644
--- a/package.json
+++ b/package.json
@@ -19,10 +19,7 @@
       }
     }
   },
-  "sideEffects": [
-    "./dist/index.cjs",
-    "./dist/index.mjs"
-  ],
+  "sideEffects": false,
   "files": [
     "dist/index.cjs",
     "dist/index.mjs",