diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index b040fd0..ecd8fa7 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -33,7 +33,7 @@ jobs:
       fail-fast: false
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
+    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
     - name: Save cache
       id: cache
       uses: ./
@@ -56,7 +56,7 @@ jobs:
       fail-fast: false
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
+    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
     - name: Restore cache
       id: cache
       uses: ./