diff --git a/.github/workflows/build-docs.yaml b/.github/workflows/build-docs.yaml
index 987f91c9..35fa41c3 100644
--- a/.github/workflows/build-docs.yaml
+++ b/.github/workflows/build-docs.yaml
@@ -11,7 +11,7 @@ jobs:
     runs-on: "ubuntu-24.04"
     name: "generate-docs"
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           ref: ${{ inputs.sha }}
           fetch-depth: 0
diff --git a/.github/workflows/build-wheels.yaml b/.github/workflows/build-wheels.yaml
index adfc95fc..fcbd0aa0 100644
--- a/.github/workflows/build-wheels.yaml
+++ b/.github/workflows/build-wheels.yaml
@@ -18,7 +18,7 @@ jobs:
           - rats-devtools
     name: "build-wheels: ${{ matrix.component }}"
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           ref: ${{ inputs.sha }}
           fetch-depth: 0
@@ -37,7 +37,7 @@ jobs:
           rats-ci install
           uv build
       - name: "upload-artifacts"
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: "wheels.${{ matrix.component }}"
           path: "${{ matrix.component }}/dist/*.whl"
diff --git a/.github/workflows/checks.yaml b/.github/workflows/checks.yaml
index 7ebe9bd5..0e9a56fb 100644
--- a/.github/workflows/checks.yaml
+++ b/.github/workflows/checks.yaml
@@ -17,7 +17,7 @@ jobs:
     runs-on: "ubuntu-24.04"
     name: "check: ${{ matrix.component }}"
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           ref: ${{ inputs.sha }}
           fetch-depth: 0
diff --git a/.github/workflows/codeql.yaml b/.github/workflows/codeql.yaml
index c0127c83..3de77dbe 100644
--- a/.github/workflows/codeql.yaml
+++ b/.github/workflows/codeql.yaml
@@ -25,7 +25,7 @@ jobs:
       matrix:
         language: [ "python" ]
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         ref: ${{ inputs.sha }}
         fetch-depth: 0
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index b1138777..0cc20ee7 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -32,7 +32,7 @@ jobs:
       id-token: write
     steps:
       - name: download-wheels
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           name: "wheels.${{ matrix.component }}"
           path: dist/