diff --git a/.github/workflows/linux-ruby-head.yml b/.github/workflows/linux-ruby-head.yml
index b56e2e1..4c60c6f 100644
--- a/.github/workflows/linux-ruby-head.yml
+++ b/.github/workflows/linux-ruby-head.yml
@@ -30,7 +30,7 @@ jobs:
           --health-retries 5
     name: Ruby ${{ matrix.ruby }} with PostgreSQL ${{ matrix.postgres }} unit testing on ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
     - uses: ruby/setup-ruby@afeafc3d1ab54a631816aba4c914a0081c12ff2f # v1.310.0
       with:
         ruby-version: ${{ matrix.ruby }}
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index e93c899..c584cc2 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -40,7 +40,7 @@ jobs:
           --health-retries 5
     name: Ruby ${{ matrix.ruby }} with PostgreSQL ${{ matrix.postgres }} unit testing on ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
     - uses: ruby/setup-ruby@afeafc3d1ab54a631816aba4c914a0081c12ff2f # v1.310.0
       with:
         ruby-version: ${{ matrix.ruby }}