diff --git a/.github/workflows/size-check.yml b/.github/workflows/size-check.yml
index 57629a793a4ce06238049214b408d39e6a9ab48a..3b7497a59beee416de96698c10a434119dae3f38 100644
--- a/.github/workflows/size-check.yml
+++ b/.github/workflows/size-check.yml
@@ -13,7 +13,7 @@ jobs:
       CI_JOB_NUMBER: 1
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v1
 
       - name: Install pnpm
         uses: pnpm/action-setup@v2.0.1