diff --git a/package.json b/package.json
index 70f5152..9c2dd82 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
     "aor-dependent-input": "^1.1.1",
     "babel-plugin-transform-object-rest-spread": "^6.26.0",
     "babel-preset-stage-2": "^6.24.1",
-    "codemirror": "^5.30.0",
+    "codemirror": "^5.58.2",
     "downloadbutton": "^1.0.0",
     "eslint": "^4.8.0",
     "eslint-plugin-react": "^7.4.0",
diff --git a/yarn.lock b/yarn.lock
index 68384a4..419bf11 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1553,9 +1553,9 @@ 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@^5.30.0:
-  version "5.30.0"
-  resolved "https://registry.yarnpkg.com/codemirror/-/codemirror-5.30.0.tgz#86e57dd5ea5535acbcf9c720797b4cefe05b5a70"
+codemirror@^5.58.2:
+  version "5.58.2"
+  resolved "https://registry.yarnpkg.com/codemirror/-/codemirror-5.58.2.tgz#ed54a1796de1498688bea1cdd4e9eeb187565d1b"
 
 color-convert@^1.3.0, color-convert@^1.9.0:
   version "1.9.0"