diff --git a/.github/workflows/build-tarball.yml b/.github/workflows/build-tarball.yml
index b9158abe1e0558..702b20abf25486 100644
--- a/.github/workflows/build-tarball.yml
+++ b/.github/workflows/build-tarball.yml
@@ -46,7 +46,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Set up Python ${{ env.PYTHON_VERSION }}
-        uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+        uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
       - name: Set up sccache
@@ -76,7 +76,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Set up Python ${{ env.PYTHON_VERSION }}
-        uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+        uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
       - name: Set up sccache
diff --git a/.github/workflows/coverage-linux-without-intl.yml b/.github/workflows/coverage-linux-without-intl.yml
index cb4faedc73a872..04fb9a8520103c 100644
--- a/.github/workflows/coverage-linux-without-intl.yml
+++ b/.github/workflows/coverage-linux-without-intl.yml
@@ -52,7 +52,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Set up Python ${{ env.PYTHON_VERSION }}
-        uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+        uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
       - name: Set up sccache
diff --git a/.github/workflows/coverage-linux.yml b/.github/workflows/coverage-linux.yml
index a13a28d0f64544..373a5fd102d5d9 100644
--- a/.github/workflows/coverage-linux.yml
+++ b/.github/workflows/coverage-linux.yml
@@ -52,7 +52,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Set up Python ${{ env.PYTHON_VERSION }}
-        uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+        uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
       - name: Set up sccache
diff --git a/.github/workflows/coverage-windows.yml b/.github/workflows/coverage-windows.yml
index 2607848e47b4bc..0ada43321eb5ed 100644
--- a/.github/workflows/coverage-windows.yml
+++ b/.github/workflows/coverage-windows.yml
@@ -49,7 +49,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Set up Python ${{ env.PYTHON_VERSION }}
-        uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+        uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
       - name: Install deps
diff --git a/.github/workflows/daily-wpt-fyi.yml b/.github/workflows/daily-wpt-fyi.yml
index 795b85f6a18943..4365c2bc2d67f6 100644
--- a/.github/workflows/daily-wpt-fyi.yml
+++ b/.github/workflows/daily-wpt-fyi.yml
@@ -39,7 +39,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Set up Python ${{ env.PYTHON_VERSION }}
-        uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+        uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
       - name: Environment Information
diff --git a/.github/workflows/linters.yml b/.github/workflows/linters.yml
index c2165543bdaf0c..9f5fbcd08ca090 100644
--- a/.github/workflows/linters.yml
+++ b/.github/workflows/linters.yml
@@ -44,7 +44,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Set up Python ${{ env.PYTHON_VERSION }}
-        uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+        uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
       - name: Environment Information
@@ -64,7 +64,7 @@ jobs:
         with:
           node-version: ${{ env.NODE_VERSION }}
       - name: Set up Python ${{ env.PYTHON_VERSION }}
-        uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+        uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
       - name: Environment Information
@@ -122,7 +122,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Set up Python ${{ env.PYTHON_VERSION }}
-        uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+        uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
       - name: Environment Information
@@ -139,7 +139,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Use Python ${{ env.PYTHON_VERSION }}
-        uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+        uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
       - name: Environment Information
diff --git a/.github/workflows/test-internet.yml b/.github/workflows/test-internet.yml
index 7c3060e4d58d39..64229dcffc6ed5 100644
--- a/.github/workflows/test-internet.yml
+++ b/.github/workflows/test-internet.yml
@@ -48,7 +48,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Set up Python ${{ env.PYTHON_VERSION }}
-        uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+        uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
       - name: Environment Information
diff --git a/.github/workflows/test-linux.yml b/.github/workflows/test-linux.yml
index d49ba7525c6400..a8a11860a7627b 100644
--- a/.github/workflows/test-linux.yml
+++ b/.github/workflows/test-linux.yml
@@ -46,7 +46,7 @@ jobs:
           persist-credentials: false
           path: node
       - name: Set up Python ${{ env.PYTHON_VERSION }}
-        uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+        uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
       - name: Set up sccache
diff --git a/.github/workflows/test-macos.yml b/.github/workflows/test-macos.yml
index 6320b83454fa13..71675033f345c9 100644
--- a/.github/workflows/test-macos.yml
+++ b/.github/workflows/test-macos.yml
@@ -52,7 +52,7 @@ jobs:
           persist-credentials: false
           path: node
       - name: Set up Python ${{ env.PYTHON_VERSION }}
-        uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+        uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
       - name: Set up Xcode ${{ env.XCODE_VERSION }}
diff --git a/.github/workflows/tools.yml b/.github/workflows/tools.yml
index 94e2412722b3b1..7b8d1fff4fb812 100644
--- a/.github/workflows/tools.yml
+++ b/.github/workflows/tools.yml
@@ -294,7 +294,7 @@ jobs:
           persist-credentials: false
       - name: Set up Python ${{ env.PYTHON_VERSION }}
         if: matrix.id == 'icu' && (github.event_name == 'schedule' || inputs.id == 'all' || inputs.id == matrix.id)
-        uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+        uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
       - run: ${{ matrix.run }}