diff --git a/.github/workflows/check-coding-rule-v3.yml b/.github/workflows/check-coding-rule-v3.yml
index 25bbd97..a2406c9 100644
--- a/.github/workflows/check-coding-rule-v3.yml
+++ b/.github/workflows/check-coding-rule-v3.yml
@@ -47,7 +47,7 @@ jobs:
         with:
           submodules: recursive
 
-      - uses: actions/setup-python@39cd14951b08e74b54015e9e001cdefcf80e669f # v5.1.1
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version-file: .github/workflows/.python-version
           architecture: 'x64'
diff --git a/.github/workflows/check-coding-rule.yml b/.github/workflows/check-coding-rule.yml
index 4943913..b4fc585 100644
--- a/.github/workflows/check-coding-rule.yml
+++ b/.github/workflows/check-coding-rule.yml
@@ -43,7 +43,7 @@ jobs:
         with:
           submodules: recursive
 
-      - uses: actions/setup-python@39cd14951b08e74b54015e9e001cdefcf80e669f # v5.1.1
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version-file: .github/workflows/.python-version
           architecture: 'x64'
diff --git a/.github/workflows/check-encoding-v3.yml b/.github/workflows/check-encoding-v3.yml
index 7f81ed7..bd030ac 100644
--- a/.github/workflows/check-encoding-v3.yml
+++ b/.github/workflows/check-encoding-v3.yml
@@ -36,7 +36,7 @@ jobs:
         with:
           submodules: 'recursive'
 
-      - uses: actions/setup-python@39cd14951b08e74b54015e9e001cdefcf80e669f # v5.1.1
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version-file: .github/workflows/.python-version
           architecture: 'x64'
diff --git a/.github/workflows/check-encoding.yml b/.github/workflows/check-encoding.yml
index 83cd5a1..255c665 100644
--- a/.github/workflows/check-encoding.yml
+++ b/.github/workflows/check-encoding.yml
@@ -36,7 +36,7 @@ jobs:
         with:
           submodules: 'recursive'
 
-      - uses: actions/setup-python@39cd14951b08e74b54015e9e001cdefcf80e669f # v5.1.1
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version-file: .github/workflows/.python-version
           architecture: 'x64'