diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index b9ecd13..59d5068 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -34,7 +34,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index fc9a77a..fee13b7 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
     - name: Set up Python
diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index da4b404..f8c8585 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
     - name: Set up Python
diff --git a/.github/workflows/snyk-container-analysis.yml b/.github/workflows/snyk-container-analysis.yml
index e3a60c5..b6714da 100644
--- a/.github/workflows/snyk-container-analysis.yml
+++ b/.github/workflows/snyk-container-analysis.yml
@@ -16,7 +16,7 @@ jobs:
   snyk:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python
       uses: actions/setup-python@v4
       with: