diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..b27c4f2
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,13 @@
+# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  - package-ecosystem: "bundler"
+    directory: "/doc"
+    schedule:
+      interval: "monthly"
+    groups:
+      doc-gems-security:
+        applies-to: "security-updates"
+        patterns:
+          - "*"