diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6a317697..4fab0a1c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -75,7 +75,7 @@ jobs:
       SUFFIX: linux-${{ matrix.arch }}
     steps:
       - name: Clone repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           submodules: true
       - name: Install packages
@@ -136,7 +136,7 @@ jobs:
       SUFFIX: macos-${{ matrix.arch }}
     steps:
       - name: Clone repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           submodules: true
       - name: Install packages
@@ -213,7 +213,7 @@ jobs:
         run: git config --system core.autocrlf false
         shell: bash
       - name: Clone repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           submodules: true
       - uses: msys2/setup-msys2@v2
@@ -266,7 +266,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Clone repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           submodules: true
       - name: Install packages
@@ -302,9 +302,9 @@ jobs:
     needs: linux
     steps:
       - name: Clone repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Download executables
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           pattern: jq-linux-*
           merge-multiple: true
@@ -377,9 +377,9 @@ jobs:
     if: startsWith(github.ref, 'refs/tags/jq-')
     steps:
       - name: Clone repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Download artifacts
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           pattern: jq-*
           merge-multiple: true
diff --git a/.github/workflows/decnum.yml b/.github/workflows/decnum.yml
index 18484dfc..a7dfd5e3 100644
--- a/.github/workflows/decnum.yml
+++ b/.github/workflows/decnum.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Clone repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           submodules: true
       - name: Install packages
diff --git a/.github/workflows/manpage.yml b/.github/workflows/manpage.yml
index 72f10577..647f37b2 100644
--- a/.github/workflows/manpage.yml
+++ b/.github/workflows/manpage.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
diff --git a/.github/workflows/oniguruma.yml b/.github/workflows/oniguruma.yml
index 332ad64b..2192891f 100644
--- a/.github/workflows/oniguruma.yml
+++ b/.github/workflows/oniguruma.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Clone repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Install packages
         run: |
           sudo apt-get update
@@ -45,7 +45,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Clone repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Install packages
         run: |
           sudo apt-get update
diff --git a/.github/workflows/scanbuild.yml b/.github/workflows/scanbuild.yml
index b113fbcf..65796333 100644
--- a/.github/workflows/scanbuild.yml
+++ b/.github/workflows/scanbuild.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Clone repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           submodules: true
       - name: Install packages
diff --git a/.github/workflows/valgrind.yml b/.github/workflows/valgrind.yml
index 76dedb64..9549269f 100644
--- a/.github/workflows/valgrind.yml
+++ b/.github/workflows/valgrind.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Clone repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           submodules: true
       - name: Install packages
diff --git a/.github/workflows/website.yml b/.github/workflows/website.yml
index 14a242f8..d96947ce 100644
--- a/.github/workflows/website.yml
+++ b/.github/workflows/website.yml
@@ -15,7 +15,7 @@ jobs:
         working-directory: docs
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
@@ -28,7 +28,7 @@ jobs:
       - name: Build website
         run: pipenv run python3 build_website.py
       - name: Upload pages artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
         with:
           path: docs/output/