diff --git a/package.json b/package.json
index 3abac31..c65431a 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "build": "node build/build.js"
   },
   "dependencies": {
-    "codemirror": "^5.35.0",
+    "codemirror": "^5.58.2",
     "generate-json-webpack-plugin": "^0.3.0",
     "js-yaml": "^3.11.0",
     "lodash.set": "^4.3.2",
diff --git a/yarn.lock b/yarn.lock
index 7676ce3..eeea289 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1070,7 +1070,7 @@ bytes@3.0.0:
 
 cacache@^10.0.4:
   version "10.0.4"
-  resolved "http://registry.npmjs.org/cacache/-/cacache-10.0.4.tgz#6452367999eff9d4188aefd9a14e9d7c6a263460"
+  resolved "https://registry.npmjs.org/cacache/-/cacache-10.0.4.tgz#6452367999eff9d4188aefd9a14e9d7c6a263460"
   dependencies:
     bluebird "^3.5.1"
     chownr "^1.0.1"
@@ -1283,9 +1283,9 @@ 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@^5.35.0:
-  version "5.35.0"
-  resolved "https://registry.yarnpkg.com/codemirror/-/codemirror-5.35.0.tgz#280653d495455bc66aa87e6284292b02775ba878"
+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"
@@ -1381,7 +1381,7 @@ compressible@~2.0.13:
 
 compression@^1.5.2:
   version "1.7.2"
-  resolved "http://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
+  resolved "https://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
   dependencies:
     accepts "~1.3.4"
     bytes "3.0.0"
@@ -4038,7 +4038,7 @@ pify@^3.0.0:
 
 pinkie-promise@^2.0.0:
   version "2.0.1"
-  resolved "http://registry.npmjs.org/pinkie-promise/-/pinkie-promise-2.0.1.tgz#2135d6dfa7a358c069ac9b178776288228450ffa"
+  resolved "https://registry.npmjs.org/pinkie-promise/-/pinkie-promise-2.0.1.tgz#2135d6dfa7a358c069ac9b178776288228450ffa"
   dependencies:
     pinkie "^2.0.0"