diff --git a/CHANGELOG.md b/CHANGELOG.md
index eeb9a78..692e058 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `inputStyle` and `nativeSpellcheck` options to manage the native language of the browser (Thanks to [@firm1], [#143]).
 ### Changed
 - Delay before assuming that submit of the form as failed is `autosave.submit_delay` instead of `autosave.delay` (Thanks to [@Situphen], [#139]).
+- Updated codemirror to version 5.52.0 ([#161]).
 
 
 ## [2.9.0] - 2020-01-13
diff --git a/package-lock.json b/package-lock.json
index 7914dd3..1a8918c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1035,9 +1035,9 @@
             "dev": true
         },
         "codemirror": {
-            "version": "5.51.0",
-            "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-5.51.0.tgz",
-            "integrity": "sha512-vyuYYRv3eXL0SCuZA4spRFlKNzQAewHcipRQCOKgRy7VNAvZxTKzbItdbCl4S5AgPZ5g3WkHp+ibWQwv9TLG7Q=="
+            "version": "5.52.0",
+            "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-5.52.0.tgz",
+            "integrity": "sha512-K2UB6zjscrfME03HeRe/IuOmCeqNpw7PLKGHThYpLbZEuKf+ZoujJPhxZN4hHJS1O7QyzEsV7JJZGxuQWVaFCg=="
         },
         "codemirror-spell-checker": {
             "version": "1.1.2",
diff --git a/package.json b/package.json
index 9884d1e..077773e 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "license": "MIT",
     "author": "Jeroen Akkerman",
     "dependencies": {
-        "codemirror": "^5.51.0",
+        "codemirror": "^5.52.0",
         "codemirror-spell-checker": "1.1.2",
         "marked": "^0.8.0"
     },