diff --git a/.github/workflows/check-c-abi.yaml b/.github/workflows/check-c-abi.yaml
index a594c48f44..3711da7baa 100644
--- a/.github/workflows/check-c-abi.yaml
+++ b/.github/workflows/check-c-abi.yaml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout PR branch
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
         with:
           fetch-depth: 0
           persist-credentials: false
diff --git a/.github/workflows/publish-rust.yaml b/.github/workflows/publish-rust.yaml
index d702fd5375..8b21ff7a13 100644
--- a/.github/workflows/publish-rust.yaml
+++ b/.github/workflows/publish-rust.yaml
@@ -21,7 +21,7 @@ jobs:
     container:
       image: "rapidsai/ci-conda:26.08-cuda${{ matrix.cuda_version }}-ubuntu24.04-py3.13"
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
         with:
           persist-credentials: false
       - name: Check if release build
diff --git a/.github/workflows/store-c-abi-baseline.yaml b/.github/workflows/store-c-abi-baseline.yaml
index 9fb27dc56d..9b16020bd0 100644
--- a/.github/workflows/store-c-abi-baseline.yaml
+++ b/.github/workflows/store-c-abi-baseline.yaml
@@ -18,7 +18,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/update-c-abi-baseline.yaml b/.github/workflows/update-c-abi-baseline.yaml
index 893eec8832..171198329a 100644
--- a/.github/workflows/update-c-abi-baseline.yaml
+++ b/.github/workflows/update-c-abi-baseline.yaml
@@ -17,7 +17,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout main branch
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
         with:
           persist-credentials: false