diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6691bfd..dee4b88 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
         python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
     
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
@@ -70,7 +70,7 @@ jobs:
   gui-tests:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       
       - name: Set up Python 3.11
         uses: actions/setup-python@v5
@@ -96,7 +96,7 @@ jobs:
   agent-tests:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       
       - name: Set up Python 3.11
         uses: actions/setup-python@v5
@@ -117,7 +117,7 @@ jobs:
   security:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       
       - name: Set up Python 3.11
         uses: actions/setup-python@v5
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index f7fdcd0..6ceed6f 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v3
diff --git a/.github/workflows/docker-gui.yml b/.github/workflows/docker-gui.yml
index 21ad516..26c4c3f 100644
--- a/.github/workflows/docker-gui.yml
+++ b/.github/workflows/docker-gui.yml
@@ -10,7 +10,7 @@ jobs:
   build-images:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       - name: Build GUI image
diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index 412bf86..b4d00fc 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -21,7 +21,7 @@ jobs:
     
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 03dd23c..a1d7fb8 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -19,7 +19,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       
       - name: Set up Python
         uses: actions/setup-python@v5