diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 202be01..51aaf51 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
       matrix:
         sdk: [dev]
     steps:
-      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - uses: dart-lang/setup-dart@b64355ae6ca0b5d484f0106a033dd1388965d06d
         with:
           sdk: ${{ matrix.sdk }}
@@ -48,7 +48,7 @@ jobs:
         os: [ubuntu-latest]
         sdk: [2.18.0, dev]
     steps:
-      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - uses: dart-lang/setup-dart@b64355ae6ca0b5d484f0106a033dd1388965d06d
         with:
           sdk: ${{ matrix.sdk }}