diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..b75fee9
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,7 @@
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 872dd58..8f9526f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,7 +24,7 @@ jobs:
                     - "gcc"
                     - "clang"
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
               with:
                   submodules: recursive
             - name: Install packages
@@ -61,7 +61,7 @@ jobs:
                     - "gcc"
                     # - "clang"
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
               with:
                   submodules: recursive
             - name: Install packages
@@ -99,7 +99,7 @@ jobs:
                 DISTRO:
                     - "ubuntu-20.04"
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
               with:
                   submodules: recursive
             - name: Install packages
@@ -118,7 +118,7 @@ jobs:
                     find scan-build -name 'index.html' -print -exec html2text \{} \;
                     exit 1
                   fi
-            - uses: actions/upload-artifact@v2
+            - uses: actions/upload-artifact@v4
               if: failure()
               with:
                   name: scan-build
@@ -127,7 +127,7 @@ jobs:
     build_osx_autotools_default_args:
         runs-on: macos-latest
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
               with:
                   submodules: recursive
             - name: Install packages