diff --git a/website/package-lock.json b/website/package-lock.json
index 04945e2..7245484 100644
--- a/website/package-lock.json
+++ b/website/package-lock.json
@@ -700,9 +700,9 @@
       "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c="
     },
     "codemirror": {
-      "version": "5.37.0",
-      "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-5.37.0.tgz",
-      "integrity": "sha512-dQaayDJCLU4UJcwg2RM44oFrs0dMNndTp6qxQJF6XI71l1xN3RB4IqiKES0b0rccbARbrD/UBB4t8DNknfaOTw=="
+      "version": "5.58.2",
+      "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-5.58.2.tgz",
+      "integrity": "sha512-K/hOh24cCwRutd1Mk3uLtjWzNISOkm4fvXiMO7LucCrqbh6aJDdtqUziim3MZUI6wOY0rvY1SlL1Ork01uMy6w=="
     },
     "collection-visit": {
       "version": "1.0.0",
diff --git a/website/package.json b/website/package.json
index 581a0ea..03c5783 100644
--- a/website/package.json
+++ b/website/package.json
@@ -1,6 +1,6 @@
 {
   "dependencies": {
-    "codemirror": "^5.37.0",
+    "codemirror": "^5.58.2",
     "critical": "^1.3.2",
     "gulp": "^3.9.1",
     "gulp-rename": "^1.2.3",