diff --git a/package.json b/package.json
index f2fb93bc8..de6e74a1f 100644
--- a/package.json
+++ b/package.json
@@ -84,7 +84,7 @@
     "bookmarks": "0.33.0",
     "bracket-matcher": "0.67.0",
     "command-palette": "0.32.0",
-    "deprecation-cop": "0.25.0",
+    "deprecation-cop": "0.26.0",
     "dev-live-reload": "0.36.0",
     "encoding-selector": "0.14.0",
     "exception-reporting": "0.21.0",