diff --git a/.github/workflows/java.yml b/.github/workflows/java.yml
index e1e1a51e8..ca1bdb0a3 100644
--- a/.github/workflows/java.yml
+++ b/.github/workflows/java.yml
@@ -15,7 +15,7 @@ jobs:
     name: Check if tests compile cleanly with starter sources
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
       - name: Set up JDK 1.17
         uses: actions/setup-java@6a0805fcefea3d4657a47ac4c165951e33482018
         with:
@@ -29,7 +29,7 @@ jobs:
     name: Lint Java files using Checkstyle
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
       - name: Set up JDK 1.17
         uses: actions/setup-java@6a0805fcefea3d4657a47ac4c165951e33482018
         with:
@@ -43,7 +43,7 @@ jobs:
     name: Test all exercises using java-test-runner
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
       - name: Test all exercises using java-test-runner
         run: bin/test-with-test-runner
       - name: Archive test results
diff --git a/.github/workflows/markdown.yml b/.github/workflows/markdown.yml
index 5e323f8da..4c7f995bb 100644
--- a/.github/workflows/markdown.yml
+++ b/.github/workflows/markdown.yml
@@ -17,6 +17,6 @@ jobs:
     name: Lint Markdown files
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
       - name: Lint markdown
         uses: DavidAnson/markdownlint-cli2-action@b4c9feab76d8025d1e83c653fa3990936df0e6c8