diff --git a/.github/workflows/dart.yml b/.github/workflows/dart.yml
index eafa42580..d01b81339 100644
--- a/.github/workflows/dart.yml
+++ b/.github/workflows/dart.yml
@@ -1,4 +1,4 @@
-# Created with package:mono_repo v6.5.7
+# Created with package:mono_repo v6.6.0
 name: Dart CI
 on:
   push:
@@ -37,10 +37,9 @@ jobs:
         name: Checkout repository
         uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
       - name: mono_repo self validate
-        run: dart pub global activate mono_repo 6.5.7
-      # TODO: Disabled to test the latest setup-dart action.  
-      # - name: mono_repo self validate
-      #   run: dart pub global run mono_repo generate --validate
+        run: dart pub global activate mono_repo 6.6.0
+      - name: mono_repo self validate
+        run: dart pub global run mono_repo generate --validate
   job_002:
     name: "analyzer_and_format; linux; Dart dev; PKG: dwds; `dart format --output=none --set-exit-if-changed .`, `dart analyze --fatal-infos .`, `dart test test/build/ensure_version_test.dart`"
     runs-on: ubuntu-latest
diff --git a/tool/ci.sh b/tool/ci.sh
index b834a526b..116a97713 100755
--- a/tool/ci.sh
+++ b/tool/ci.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Created with package:mono_repo v6.5.7
+# Created with package:mono_repo v6.6.0
 
 # Support built in commands on windows out of the box.
 # When it is a flutter repo (check the pubspec.yaml for "sdk: flutter")