diff --git a/ghost/admin/package.json b/ghost/admin/package.json
index 849acd3a7c..74de7bb1b1 100644
--- a/ghost/admin/package.json
+++ b/ghost/admin/package.json
@@ -42,7 +42,7 @@
     "broccoli-merge-trees": "3.0.2",
     "broccoli-uglify-sourcemap": "3.1.1",
     "chai-dom": "1.8.1",
-    "codemirror": "5.48.2",
+    "codemirror": "5.48.4",
     "csscomb": "4.3.0",
     "cssnano": "4.1.10",
     "element-resize-detector": "1.1.15",
diff --git a/ghost/admin/yarn.lock b/ghost/admin/yarn.lock
index 0d4d53ecbe..2b6bc52c4f 100644
--- a/ghost/admin/yarn.lock
+++ b/ghost/admin/yarn.lock
@@ -3587,10 +3587,10 @@ 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@5.48.2:
-  version "5.48.2"
-  resolved "https://registry.yarnpkg.com/codemirror/-/codemirror-5.48.2.tgz#a9dd3d426dea4cd59efd59cd98e20a9152a30922"
-  integrity sha512-i9VsmC8AfA5ji6EDIZ+aoSe4vt9FcwPLdHB1k1ItFbVyuOFRrcfvnoKqwZlC7EVA2UmTRiNEypE4Uo7YvzVY8Q==
+codemirror@5.48.4:
+  version "5.48.4"
+  resolved "https://registry.yarnpkg.com/codemirror/-/codemirror-5.48.4.tgz#4210fbe92be79a88f0eea348fab3ae78da85ce47"
+  integrity sha512-pUhZXDQ6qXSpWdwlgAwHEkd4imA0kf83hINmUEzJpmG80T/XLtDDEzZo8f6PQLuRCcUQhmzqqIo3ZPTRaWByRA==
 
 coffeescript@~1.10.0:
   version "1.10.0"