diff --git a/firebase-vscode/package.json b/firebase-vscode/package.json
index 1824e49d03b..8faf858032d 100644
--- a/firebase-vscode/package.json
+++ b/firebase-vscode/package.json
@@ -14,7 +14,8 @@
     "Other"
   ],
   "extensionDependencies": [
-    "graphql.vscode-graphql-syntax"
+    "graphql.vscode-graphql-syntax",
+    "redhat.vscode-yaml",
   ],
   "activationEvents": [
     "onStartupFinished",