diff --git a/package.json b/package.json
index 2ff73e6..17b3c93 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
-    "codemirror": "^5.32.0",
+    "codemirror": "^5.58.2",
     "es6-promise": "^4.1.0",
     "history": "^4.7.2",
     "isomorphic-fetch": "^2.2.1",
diff --git a/yarn.lock b/yarn.lock
index fbbb18a..69c62c5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2610,10 +2610,10 @@ code-point-at@^1.0.0:
   resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
   integrity sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=
 
-codemirror@^5.32.0:
-  version "5.40.2"
-  resolved "https://registry.yarnpkg.com/codemirror/-/codemirror-5.40.2.tgz#f4a41fee2d84e679543591b3680af259d903330b"
-  integrity sha512-yoWuvEiD3v5vTwdoMc/wu/Ld6dh9K/yEiEBTKOPGM+/pN0gTAqFNtrLHv1IJ1UJvzFpNRvMi92XCi3+8/iIaEw==
+codemirror@^5.58.2:
+  version "5.58.2"
+  resolved "https://registry.yarnpkg.com/codemirror/-/codemirror-5.58.2.tgz#ed54a1796de1498688bea1cdd4e9eeb187565d1b"
+  integrity sha512-K/hOh24cCwRutd1Mk3uLtjWzNISOkm4fvXiMO7LucCrqbh6aJDdtqUziim3MZUI6wOY0rvY1SlL1Ork01uMy6w==
 
 collection-visit@^1.0.0:
   version "1.0.0"