diff --git a/.github/workflows/bump.yml b/.github/workflows/bump.yml
index 848634d..1f0a32b 100644
--- a/.github/workflows/bump.yml
+++ b/.github/workflows/bump.yml
@@ -88,7 +88,7 @@ jobs:
           echo "token=$token" >> $GITHUB_OUTPUT
 
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ inputs.branch }}
           token: ${{ steps.auth.outputs.token }}
diff --git a/.github/workflows/docstring_tests.yml b/.github/workflows/docstring_tests.yml
index dea003b..1eba7f1 100644
--- a/.github/workflows/docstring_tests.yml
+++ b/.github/workflows/docstring_tests.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Install poetry
         shell: bash
diff --git a/.github/workflows/markdown_link_check.yml b/.github/workflows/markdown_link_check.yml
index d9f6bd0..62b486c 100644
--- a/.github/workflows/markdown_link_check.yml
+++ b/.github/workflows/markdown_link_check.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-22.04
     if: github.event.pull_request.labels[0].name != 'no release notes'
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: actions/setup-node@v6
       with:
         node-version: 20
diff --git a/.github/workflows/publish_pypi.yml b/.github/workflows/publish_pypi.yml
index 4763571..3485443 100644
--- a/.github/workflows/publish_pypi.yml
+++ b/.github/workflows/publish_pypi.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install poetry
         shell: bash
@@ -48,7 +48,7 @@ jobs:
     if: needs.build.result == 'success'
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install poetry
         shell: bash
diff --git a/.github/workflows/replaceholder.yml b/.github/workflows/replaceholder.yml
index e40ba5e..7171940 100644
--- a/.github/workflows/replaceholder.yml
+++ b/.github/workflows/replaceholder.yml
@@ -47,7 +47,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ inputs.branch }}
 
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 0b5982a..06ab1c4 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -41,7 +41,7 @@ jobs:
             experimental: true
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Install poetry
         shell: bash
diff --git a/.github/workflows/updated_tests.yml b/.github/workflows/updated_tests.yml
index 7c567b9..3eb6029 100644
--- a/.github/workflows/updated_tests.yml
+++ b/.github/workflows/updated_tests.yml
@@ -37,7 +37,7 @@ jobs:
             experimental: true
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Install poetry
         shell: bash
diff --git a/.github/workflows/webtests.yml b/.github/workflows/webtests.yml
index a57319c..9df5739 100644
--- a/.github/workflows/webtests.yml
+++ b/.github/workflows/webtests.yml
@@ -28,7 +28,7 @@ jobs:
             experimental: true
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Install poetry
         shell: bash