diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index 13de06e12..fe6d92d04 100644
--- a/.github/workflows/claude.yml
+++ b/.github/workflows/claude.yml
@@ -25,7 +25,7 @@ jobs:
       id-token: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1
 
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index cd1cdc180..e2d0e80df 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v4
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index aa01427de..13c473805 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -17,7 +17,7 @@ jobs:
           #- 3.11
     steps:
     - name: Check out repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         # Fetch all commits so that versioneer will return something compatible
         # with semantic-version
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 23486afb5..103dafd33 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Set up environment
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0
     - name: Set up Python
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 729e2aa29..452b498d1 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -13,7 +13,7 @@ jobs:
     if: "!contains(github.event.head_commit.message, 'ci skip') && !contains(github.event.head_commit.message, 'skip ci')"
     steps:
       - name: Checkout source
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index bcf7673e4..860d5d0a1 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -61,7 +61,7 @@ jobs:
 
     steps:
     - name: Set up environment
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         # Fetch all commits so that versioneer will return something compatible
         # with semantic-version
diff --git a/.github/workflows/typing.yml b/.github/workflows/typing.yml
index d77620e5d..1993ecf76 100644
--- a/.github/workflows/typing.yml
+++ b/.github/workflows/typing.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/update-year.yml b/.github/workflows/update-year.yml
index b2589f2f2..2006d7032 100644
--- a/.github/workflows/update-year.yml
+++ b/.github/workflows/update-year.yml
@@ -13,7 +13,7 @@ jobs:
   run:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - uses: FantasticFiasco/action-update-license-year@v3