diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 88371b1..2c7841d 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -8,9 +8,9 @@ jobs:
   deploy:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: '3.12'
       - name: Install and configure poetry
diff --git a/.github/workflows/install.yml b/.github/workflows/install.yml
index 65e5c56..500dfd0 100644
--- a/.github/workflows/install.yml
+++ b/.github/workflows/install.yml
@@ -12,7 +12,7 @@ jobs:
         python-version: ['3.12', '3.11', '3.10', '3.9']
     steps:
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: ${{ matrix.python-version }}
 
diff --git a/.github/workflows/linters.yml b/.github/workflows/linters.yml
index ba823d6..74ec6c6 100644
--- a/.github/workflows/linters.yml
+++ b/.github/workflows/linters.yml
@@ -8,10 +8,10 @@ jobs:
       matrix:
         python-version: ['3.12', '3.11', '3.10', '3.9']
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: ${{ matrix.python-version }}
 
diff --git a/.github/workflows/safety.yml b/.github/workflows/safety.yml
index ef055db..d878e04 100644
--- a/.github/workflows/safety.yml
+++ b/.github/workflows/safety.yml
@@ -11,10 +11,10 @@ jobs:
       matrix:
         python-version: ['3.12', '3.11', '3.10', '3.9']
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: ${{ matrix.python-version }}
 
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 01f8dfb..86cee38 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -9,10 +9,10 @@ jobs:
       matrix:
         python-version: ['3.12', '3.11', '3.10', '3.9']
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: ${{ matrix.python-version }}