diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 76fb8f46..808b38bc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,7 +33,7 @@ jobs:
 
     steps:
       - name: Download source
-        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4
+        uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4
       - name: Install Crystal
         uses: crystal-lang/install-crystal@v1
         with:
@@ -53,7 +53,7 @@ jobs:
 
     steps:
       - name: Download source
-        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4
+        uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4
       - name: Install Crystal
         uses: crystal-lang/install-crystal@v1
         with:
@@ -70,7 +70,7 @@ jobs:
 
     steps:
       - name: Download source
-        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4
+        uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4
       - name: Install Crystal
         uses: crystal-lang/install-crystal@v1
         with: