diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 79bee4f..0742ac5 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -16,7 +16,7 @@ jobs:
       SETUPTOOLS_SCM_PRETEND_VERSION: ${{ github.event.inputs.version }}
 
     steps:
-    - uses: actions/checkout@v4.2.2
+    - uses: actions/checkout@v5.0.0
 
     - name: Build and Check Package
       uses: hynek/build-and-inspect-python-package@v2.13.0
@@ -30,10 +30,10 @@ jobs:
       contents: write  # For tag and release notes.
 
     steps:
-    - uses: actions/checkout@v4.2.2
+    - uses: actions/checkout@v5.0.0
 
     - name: Download Package
-      uses: actions/download-artifact@v4.3.0
+      uses: actions/download-artifact@v5.0.0
       with:
         name: Packages
         path: dist
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 8776a42..11c7fbe 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -25,7 +25,7 @@ jobs:
         gtest_ver: [ "1.11.0" ]
 
     steps:
-      - uses: actions/checkout@v4.2.2
+      - uses: actions/checkout@v5.0.0
       - name: Set up Python
         uses: actions/setup-python@v5.6.0
         with:
@@ -64,7 +64,7 @@ jobs:
   package:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4.2.2
+      - uses: actions/checkout@v5.0.0
       - name: Build and Check Package
         uses: hynek/build-and-inspect-python-package@v2.13.0
 
@@ -78,20 +78,20 @@ jobs:
         python: ["3.8", "3.9", "3.10", "3.11", "3.12"]
 
     steps:
-    - uses: actions/checkout@v4.2.2
+    - uses: actions/checkout@v5.0.0
     - name: Set up Python
       uses: actions/setup-python@v5.6.0
       with:
         python-version: ${{ matrix.python }}
 
     - name: Download compiled tests
-      uses: actions/download-artifact@v4.3.0
+      uses: actions/download-artifact@v5.0.0
       with:
         name: tests
         path: tests
 
     - name: Download Package
-      uses: actions/download-artifact@v4.3.0
+      uses: actions/download-artifact@v5.0.0
       with:
         name: Packages
         path: dist