diff --git a/.github/workflows/downstream-dependencies.yaml b/.github/workflows/downstream-dependencies.yaml
index 772e5159..3cae8fb4 100644
--- a/.github/workflows/downstream-dependencies.yaml
+++ b/.github/workflows/downstream-dependencies.yaml
@@ -18,7 +18,7 @@ jobs:
         - java-storage
         - java-pubsub
     steps:
-    - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
+    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
     - uses: actions/setup-java@v3
       with:
         distribution: zulu
@@ -31,7 +31,7 @@ jobs:
   flatten-plugin-check:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
+    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
     - uses: actions/setup-java@v3
       with:
         distribution: zulu
diff --git a/.github/workflows/downstream-maven-plugins.yaml b/.github/workflows/downstream-maven-plugins.yaml
index d37e2667..26cca066 100644
--- a/.github/workflows/downstream-maven-plugins.yaml
+++ b/.github/workflows/downstream-maven-plugins.yaml
@@ -24,7 +24,7 @@ jobs:
         - clirr # clirr-maven-plugin
         - javadoc # maven-javadoc-plugin
     steps:
-    - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
+    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
     - uses: actions/setup-java@v3
       with:
         distribution: zulu
@@ -41,7 +41,7 @@ jobs:
         repo:
         - java-bigtable
     steps:
-    - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
+    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
     - uses: actions/setup-java@v3
       with:
         distribution: temurin