diff --git a/package.json b/package.json
index 9b30cb63f..9e9b716d5 100644
--- a/package.json
+++ b/package.json
@@ -90,7 +90,7 @@
     "bookmarks": "0.35.0",
     "bracket-matcher": "0.73.0",
     "command-palette": "0.35.0",
-    "deprecation-cop": "0.39.0",
+    "deprecation-cop": "0.40.0",
     "dev-live-reload": "0.45.0",
     "encoding-selector": "0.19.0",
     "exception-reporting": "0.24.0",