diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 4f08c35..c72f755 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@24cb9080177205b6e8c946b17badbe402adc938f
+    - uses: actions/checkout@8f4b7f84864484a7bf31766abe9204da3cbe65b3
     - name: Save cache
       id: cache
       uses: ./
@@ -56,7 +56,7 @@ jobs:
       fail-fast: false
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@24cb9080177205b6e8c946b17badbe402adc938f
+    - uses: actions/checkout@8f4b7f84864484a7bf31766abe9204da3cbe65b3
     - name: Restore cache
       id: cache
       uses: ./