diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 5923f30..0085d4f 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -1,10 +1,22 @@
 version: 2
 updates:
-- package-ecosystem: docker
-  directory: "/.devcontainer"
-  schedule:
-    interval: "daily"
-- package-ecosystem: mix
-  directory: "/"
-  schedule:
-    interval: "daily"
+  - package-ecosystem: docker
+    directory: "/.devcontainer"
+    schedule:
+      interval: weekly
+      day: thursday
+    groups:
+      production-dependencies:
+        dependency-type: production
+      dev-dependencies:
+        dependency-type: development
+  - package-ecosystem: mix
+    directory: "/"
+    schedule:
+      interval: weekly
+      day: thursday
+    groups:
+      production-dependencies:
+        dependency-type: production
+      dev-dependencies:
+        dependency-type: development