diff --git a/.github/workflows/ci-linux-ubuntu-latest.yml b/.github/workflows/ci-linux-ubuntu-latest.yml
index b269640..798a3e5 100644
--- a/.github/workflows/ci-linux-ubuntu-latest.yml
+++ b/.github/workflows/ci-linux-ubuntu-latest.yml
@@ -15,10 +15,10 @@ jobs:
         ]
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v6
 
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-version }}
 
diff --git a/.github/workflows/ci-mac.yml b/.github/workflows/ci-mac.yml
index 847a20c..491a1c7 100644
--- a/.github/workflows/ci-mac.yml
+++ b/.github/workflows/ci-mac.yml
@@ -15,10 +15,10 @@ jobs:
         ]
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v6
 
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-version }}
 
diff --git a/.github/workflows/ci-windows.yml b/.github/workflows/ci-windows.yml
index 04cc57e..15e7390 100644
--- a/.github/workflows/ci-windows.yml
+++ b/.github/workflows/ci-windows.yml
@@ -15,10 +15,10 @@ jobs:
         python-version: ["3.12"]
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v6
 
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-version }}
 
diff --git a/.github/workflows/ci_fuzz_linux.yml b/.github/workflows/ci_fuzz_linux.yml
index e10d57d..356dee0 100644
--- a/.github/workflows/ci_fuzz_linux.yml
+++ b/.github/workflows/ci_fuzz_linux.yml
@@ -18,10 +18,10 @@ jobs:
         ]
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v6
 
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-version }}
 
@@ -64,7 +64,7 @@ jobs:
     - name: Upload broken PDFs as artifact
       # Always upload, even if job fails.
       if: failure() || always()
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v5
       with:
         name: tests_fuzz_broken_pdfs
         path: build/tests_fuzz
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index b9acc53..5900e56 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v6
 
     - name: Upgrade pip
       run: |