diff --git a/package.json b/package.json
index c9f9b619a..6287a1eb4 100644
--- a/package.json
+++ b/package.json
@@ -97,7 +97,7 @@
     "bookmarks": "0.44.0",
     "bracket-matcher": "0.85.2",
     "command-palette": "0.40.0",
-    "deprecation-cop": "0.55.1",
+    "deprecation-cop": "0.56.0",
     "dev-live-reload": "0.47.0",
     "encoding-selector": "0.22.0",
     "exception-reporting": "0.40.2",