diff --git a/.github/workflows/precommit.yaml b/.github/workflows/precommit.yaml
index 8b11030..0a306f7 100644
--- a/.github/workflows/precommit.yaml
+++ b/.github/workflows/precommit.yaml
@@ -10,6 +10,6 @@ jobs:
   pre-commit:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions/setup-python@v5
     - uses: pre-commit/action@v3.0.1
diff --git a/.github/workflows/test-py39-functional-scim-auth.yaml b/.github/workflows/test-py39-functional-scim-auth.yaml
index 338c8aa..ea550df 100644
--- a/.github/workflows/test-py39-functional-scim-auth.yaml
+++ b/.github/workflows/test-py39-functional-scim-auth.yaml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Check out code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up python 3.12
         uses: actions/setup-python@v5
diff --git a/.github/workflows/test-py39-unit.yaml b/.github/workflows/test-py39-unit.yaml
index 50bbc17..3609858 100644
--- a/.github/workflows/test-py39-unit.yaml
+++ b/.github/workflows/test-py39-unit.yaml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python 3.12
         uses: actions/setup-python@v5