diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..5ace460
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5f365c9..1368a2e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -9,10 +9,12 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+
 
       - name: Install flox
-        uses: flox/install-flox-action@v2
+        uses: flox/install-flox-action@c94e7e1ab56ae14fe98bae4fd84384fd135f0c2a # v2
+
 
       - name: Build
         run: flox activate -- make local