diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 48890e9..d1a3184 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
       matrix:
         sdk: [dev]
     steps:
-      - uses: actions/checkout@755da8c3cf115ac066823e79a1e1788f8940201b
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
       - uses: dart-lang/setup-dart@6a218f2413a3e78e9087f638a238f6b40893203d
         with:
           sdk: ${{ matrix.sdk }}
@@ -48,7 +48,7 @@ jobs:
         os: [ubuntu-latest]
         sdk: [2.18.0, dev]
     steps:
-      - uses: actions/checkout@755da8c3cf115ac066823e79a1e1788f8940201b
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
       - uses: dart-lang/setup-dart@6a218f2413a3e78e9087f638a238f6b40893203d
         with:
           sdk: ${{ matrix.sdk }}