diff --git a/.excavator.yml b/.excavator.yml
index 7fcdb8cc9..c1d8bf1af 100644
--- a/.excavator.yml
+++ b/.excavator.yml
@@ -2,9 +2,10 @@
 
 auto-label:
   names:
-    versions-props/upgrade-all: ["merge when ready"]
-    circleci/manage-circleci: ["merge when ready"]
+    versions-props/upgrade-all: [ "merge when ready" ]
+    circleci/manage-circleci: [ "merge when ready" ]
   tags:
-    roomba: ["merge when ready"]
-    automerge: ["merge when ready"]
-    autorelease: ["autorelease"]
+    donotmerge: [ "do not merge" ]
+    roomba: [ "merge when ready" ]
+    automerge: [ "merge when ready" ]
+    autorelease: [ "autorelease" ]