diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..2bc7045
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,12 @@
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+version: 2
+updates:
+  - package-ecosystem: docker
+    directory: "ubuntu-22.04"
+    schedule:
+      interval: weekly
+
+  - package-ecosystem: docker
+    directory: "ubuntu-23.04"
+    schedule:
+      interval: weekly