diff --git a/package-lock.json b/package-lock.json
index c2c18b28d..ec170c76d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -781,9 +781,9 @@
       "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c="
     },
     "codemirror": {
-      "version": "4.5.0",
-      "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-4.5.0.tgz",
-      "integrity": "sha1-O9NBZvMnuPUdXWHkeu47c/Ni1cA="
+      "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",
@@ -2913,11 +2913,6 @@
         "object-visit": "^1.0.0"
       }
     },
-    "math-random": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/math-random/-/math-random-1.0.1.tgz",
-      "integrity": "sha1-izqsWIuKZuSXXjzepn97sylgH6w="
-    },
     "md5.js": {
       "version": "1.3.4",
       "resolved": "https://registry.npmjs.org/md5.js/-/md5.js-1.3.4.tgz",
diff --git a/package.json b/package.json
index 0b300f284..5cb9c9a82 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "bootstrap-select": "^1.6.3",
     "bootstrap-switch": "^3.0.2",
     "chroma-js": "https://github.com/gka/chroma.js/archive/v0.6.1.tar.gz",
-    "codemirror": "^4.5.0",
+    "codemirror": "^5.58.2",
     "copy-webpack-plugin": "^4.5.1",
     "d3": "^3.5.12",
     "datatables-tabletools": "^2.2.2",