diff --git a/package-lock.json b/package-lock.json
index 6e89aa8ba..6a348819d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1647,9 +1647,9 @@
       "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c="
     },
     "codemirror": {
-      "version": "5.36.0",
-      "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-5.36.0.tgz",
-      "integrity": "sha512-XGR+ic+9DSMSE4mD2XLinGrMcIO4xbHpNrPzAFpCW5bjy+Em8fUOTCpagVP/+LLtTQsAROqrq1f55KyRxDcokA=="
+      "version": "5.51.0",
+      "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-5.51.0.tgz",
+      "integrity": "sha512-vyuYYRv3eXL0SCuZA4spRFlKNzQAewHcipRQCOKgRy7VNAvZxTKzbItdbCl4S5AgPZ5g3WkHp+ibWQwv9TLG7Q=="
     },
     "collection-visit": {
       "version": "1.0.0",
diff --git a/package.json b/package.json
index f8ccdbf4d..6631e3321 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "babel-preset-react": "^6.24.1",
     "body-parser": "^1.14.2",
     "classnames": "^2.2.6",
-    "codemirror": "^5.22.0",
+    "codemirror": "^5.51.0",
     "cookie-parser": "^1.4.3",
     "create-react-class": "^15.6.3",
     "express": "^4.13.3",