diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index c0b49b51..c34f20b7 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -1,4 +1,8 @@
 version: 2
+multi-ecosystem-groups:
+  bundler:
+    schedule:
+      interval: monthly
 updates:
   - package-ecosystem: github-actions
     directory: /
@@ -10,22 +14,16 @@ updates:
           - "*"
   - package-ecosystem: bundler
     directory: /
-    schedule:
-      interval: monthly
     versioning-strategy: lockfile-only
-    groups:
-      rails_default:
-        patterns:
-          - "*"
+    patterns:
+      - "*"
+    multi-ecosystem-group: bundler
   - package-ecosystem: bundler
     directory: /gemfiles/rails_70
-    schedule:
-      interval: monthly
     versioning-strategy: lockfile-only
-    groups:
-      rails_70:
-        patterns:
-          - "*"
+    patterns:
+      - "*"
+    multi-ecosystem-group: bundler
     ignore:
       - dependency-name: minitest
         versions: ">= 6.0.0"
@@ -35,13 +33,10 @@ updates:
         versions: ">= 7.1.0"
   - package-ecosystem: bundler
     directory: /gemfiles/rails_71
-    schedule:
-      interval: monthly
     versioning-strategy: lockfile-only
-    groups:
-      rails_71:
-        patterns:
-          - "*"
+    patterns:
+      - "*"
+    multi-ecosystem-group: bundler
     ignore:
       - dependency-name: erb
         versions: ">= 5"
@@ -53,13 +48,10 @@ updates:
         versions: ">= 7.2.0"
   - package-ecosystem: bundler
     directory: /gemfiles/rails_72
-    schedule:
-      interval: monthly
     versioning-strategy: lockfile-only
-    groups:
-      rails_72:
-        patterns:
-          - "*"
+    patterns:
+      - "*"
+    multi-ecosystem-group: bundler
     ignore:
       - dependency-name: erb
         versions: ">= 5"
@@ -71,13 +63,10 @@ updates:
         versions: ">= 8.0.0"
   - package-ecosystem: bundler
     directory: /gemfiles/rails_80
-    schedule:
-      interval: monthly
     versioning-strategy: lockfile-only
-    groups:
-      rails_80:
-        patterns:
-          - "*"
+    patterns:
+      - "*"
+    multi-ecosystem-group: bundler
     ignore:
       - dependency-name: rails
         versions: ">= 8.1.0"