diff --git a/style-generator/package-lock.json b/style-generator/package-lock.json
index 8deccb4..434b0c7 100644
--- a/style-generator/package-lock.json
+++ b/style-generator/package-lock.json
@@ -1743,9 +1743,9 @@
       "optional": true
     },
     "codemirror": {
-      "version": "5.42.2",
-      "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-5.42.2.tgz",
-      "integrity": "sha512-Tkv6im39VuhduFMsDA3MlXcC/kKas3Z0PI1/8N88QvFQbtOeiiwnfFJE4juGyC8/a4sb1BSxQlzsil8XLQdxRw=="
+      "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/style-generator/package.json b/style-generator/package.json
index ebb3436..cd1d473 100644
--- a/style-generator/package.json
+++ b/style-generator/package.json
@@ -16,7 +16,7 @@
   "license": "MIT",
   "dependencies": {
     "@mapbox/mapbox-gl-style-spec": "^13.5.0",
-    "codemirror": "^5.42.2"
+    "codemirror": "^5.58.2"
   },
   "devDependencies": {
     "elm-hot": "^1.0.1",