diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index 729a79556e..396dba0a01 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -26,7 +26,7 @@ jobs:
         with:
           version: 2.1.2
           virtualenvs-create: true
-      - uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38 # v5.4.0
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
           cache: 'poetry'
@@ -64,7 +64,7 @@ jobs:
         with:
           version: 2.1.2
           virtualenvs-create: true
-      - uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38 # v5.4.0
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
           cache: "poetry"
@@ -106,7 +106,7 @@ jobs:
         with:
           version: 2.1.2
           virtualenvs-create: true
-      - uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38 # v5.4.0
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
           cache: "poetry"
@@ -135,7 +135,7 @@ jobs:
         with:
           version: 2.1.2
           virtualenvs-create: true
-      - uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38 # v5.4.0
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
           cache: "poetry"
@@ -167,7 +167,7 @@ jobs:
         with:
           version: 2.1.2
           virtualenvs-create: true
-      - uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38 # v5.4.0
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
           cache: "poetry"