diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2a0545a..6685ce6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Check out code
-        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v2
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v2
       - name: Install JDK ${{ matrix.java }}
         uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b # v1
         with:
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index a9e9350..1b5a2f1 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -18,7 +18,7 @@ jobs:
         build_property: [ "kakadu.version", "ignored.version" ]
     steps:
       - name: Check out source code
-        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v2
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v2
       - name: Install JDK ${{ matrix.java }}
         uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b # v1
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 948b540..fb0ff9e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -15,7 +15,7 @@ jobs:
         build_property: [ "kakadu.version", "ignored.version" ]
     steps:
       - name: Check out source code
-        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v2
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v2
       - name: Install JDK ${{ matrix.java }}
         uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b # v1
         with: