diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 00000000..2c48305b
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,11 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    groups:
+      github-actions:
+        patterns: ["*"]
+    schedule:
+      interval: "weekly"
+    cooldown:
+      default-days: 7
diff --git a/.github/workflows/spellcheck-action.yml b/.github/workflows/spellcheck-action.yml
index fa82add2..fb499347 100644
--- a/.github/workflows/spellcheck-action.yml
+++ b/.github/workflows/spellcheck-action.yml
@@ -13,7 +13,7 @@ jobs:
     permissions: read-all
     steps:
     - uses: actions/checkout@master
-    - uses: rojopolis/spellcheck-github-actions@0.29.0
+    - uses: rojopolis/spellcheck-github-actions@58bd6665414e77e1d08688ff54323e01b9b434e5 # 0.29.0
       name: Spellcheck
       with:
         task_name: Markdown