diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..042f4fc
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,7 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "thursday"
diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 167c9fd..8c6cc2a 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -26,7 +26,7 @@ jobs:
         run: |
           sudo mkdir /nix /mnt/nix
           sudo mount --bind /mnt/nix /nix
-      - uses: cachix/install-nix-action@v30
+      - uses: cachix/install-nix-action@v31
         with:
           nix_path: nixpkgs=channel:nixos-unstable
       - name: Build default package
diff --git a/.github/workflows/report-and-push.yml b/.github/workflows/report-and-push.yml
index 51d6a5e..2f64094 100644
--- a/.github/workflows/report-and-push.yml
+++ b/.github/workflows/report-and-push.yml
@@ -25,7 +25,7 @@ jobs:
         run: |
           sudo mkdir /nix /mnt/nix
           sudo mount --bind /mnt/nix /nix
-      - uses: cachix/install-nix-action@v30
+      - uses: cachix/install-nix-action@v31
         with:
           nix_path: nixpkgs=channel:nixos-unstable
       - uses: cachix/cachix-action@v15
diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index 12af736..3741ff6 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -29,7 +29,7 @@ jobs:
         run: |
           sudo mkdir /nix /mnt/nix
           sudo mount --bind /mnt/nix /nix
-      - uses: cachix/install-nix-action@v30
+      - uses: cachix/install-nix-action@v31
         with:
           nix_path: nixpkgs=channel:nixos-unstable
       - uses: cachix/cachix-action@v15