diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b878c12..9e8e45d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,11 +5,11 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout
-        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4
         with:
           submodules: recursive
       - name: Repository lampy
-        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4
         with:
           submodules: recursive
           ref: 'v2.0'