diff --git a/package.json b/package.json
index b310f7195..942e4f5b3 100644
--- a/package.json
+++ b/package.json
@@ -116,7 +116,7 @@
     "@typescript-eslint/parser": "5.4.0",
     "abcjs": "6.0.0-beta.35",
     "bootstrap": "4.6.1",
-    "codemirror": "5.63.3",
+    "codemirror": "5.64.0",
     "copy-webpack-plugin": "6.4.1",
     "cross-env": "7.0.3",
     "cypress": "7.7.0",
diff --git a/yarn.lock b/yarn.lock
index 726cd2134..6138791b9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4371,10 +4371,10 @@ coa@^2.0.2:
     chalk "^2.4.1"
     q "^1.1.2"
 
-codemirror@5.63.3:
-  version "5.63.3"
-  resolved "https://registry.yarnpkg.com/codemirror/-/codemirror-5.63.3.tgz#97042a242027fe0c87c09b36bc01931d37b76527"
-  integrity sha512-1C+LELr+5grgJYqwZKqxrcbPsHFHapVaVAloBsFBASbpLnQqLw1U8yXJ3gT5D+rhxIiSpo+kTqN+hQ+9ialIXw==
+codemirror@5.64.0:
+  version "5.64.0"
+  resolved "https://registry.yarnpkg.com/codemirror/-/codemirror-5.64.0.tgz#182eec65b62178e3cd1de8f9d88ab819cfe5f625"
+  integrity sha512-fqr6CtDQdJ6iNMbD8NX2gH2G876nNDk+TO1rrYkgWnqQdO3O1Xa9tK6q+psqhJJgE5SpbaDcgdfLmukoUVE8pg==
 
 collect-v8-coverage@^1.0.0:
   version "1.0.1"