diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index e93a601332..98f03c806b 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -21,7 +21,7 @@ jobs:
     name: Build & verify python package
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # needed for setuptools_scm version determination
       - uses: hynek/build-and-inspect-python-package@v2
@@ -77,7 +77,7 @@ jobs:
         new_docker_api_client: [true, false]
     runs-on: ${{ matrix.platform }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # needed for goreleaser version determination
       - name: Download pre-built packages
@@ -151,7 +151,7 @@ jobs:
         new_docker_api_client: [true, false]
     timeout-minutes: 25
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # needed for goreleaser version determination
       - name: Login to Docker Hub
@@ -192,7 +192,7 @@ jobs:
       contents: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # needed for goreleaser version determination
       - name: Download pre-built packages
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index b8db699c25..bcc6d626d4 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -40,7 +40,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index 24e923f032..00f7078dff 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -9,7 +9,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v5
         with:
           python-version: '3.13'
diff --git a/.github/workflows/llm-docs.yml b/.github/workflows/llm-docs.yml
index 0831b64a4a..e8f5d93ccf 100644
--- a/.github/workflows/llm-docs.yml
+++ b/.github/workflows/llm-docs.yml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Compile llms.txt
       run: |
diff --git a/.github/workflows/pypi-package.yaml b/.github/workflows/pypi-package.yaml
index e7fb66ec49..0e9c289cfa 100644
--- a/.github/workflows/pypi-package.yaml
+++ b/.github/workflows/pypi-package.yaml
@@ -17,7 +17,7 @@ jobs:
     name: Build & verify package
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # needed for setuptools_scm version determination
       # HACK: for now, disable local versions so we can push to Test PyPI on main