diff --git a/package.json b/package.json
index ecdbedf..c4d9827 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "babel-loader": "^8.0.4",
     "babel-polyfill": "^6.26.0",
     "bulma": "^0.7.2",
-    "codemirror": "^5.42.0",
+    "codemirror": "^5.58.2",
     "css-loader": "^2.1.0",
     "font-awesome": "^4.7.0",
     "gulp": "^3.9.1",
diff --git a/yarn.lock b/yarn.lock
index 74ce549..f624515 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1260,9 +1260,9 @@ code-point-at@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
 
-codemirror@^5.41.0, codemirror@^5.42.0:
-  version "5.42.2"
-  resolved "https://registry.yarnpkg.com/codemirror/-/codemirror-5.42.2.tgz#801ab715a7a7e1c7ed4162b78e9d8138b98de8f0"
+codemirror@^5.41.0, codemirror@^5.58.2:
+  version "5.58.2"
+  resolved "https://registry.yarnpkg.com/codemirror/-/codemirror-5.58.2.tgz#ed54a1796de1498688bea1cdd4e9eeb187565d1b"
 
 collection-visit@^1.0.0:
   version "1.0.0"