diff --git a/.github/dependabot.yaml b/.github/dependabot.yaml
index edbfd65..2e9104f 100644
--- a/.github/dependabot.yaml
+++ b/.github/dependabot.yaml
@@ -3,7 +3,7 @@
 enable-beta-ecosystems: true
 
 updates:
-  - package-ecosystem: "github-actions"
-    directory: "/"
+  - package-ecosystem: github-actions
+    directory: /
     schedule:
-      interval: "weekly"
+      interval: monthly
diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 2fa7dbe..d79bc31 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -13,9 +13,9 @@
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
-    - uses: dart-lang/setup-dart@v1.3
-    - uses: nanasess/setup-chromedriver@v1.0.8
+    - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
+    - uses: dart-lang/setup-dart@6a218f2413a3e78e9087f638a238f6b40893203d
+    - uses: nanasess/setup-chromedriver@7cbd35794f8ab317f778c3172fb86c1e9b2853f7
 
     - name: Install dependencies
       run:  dart pub get