diff --git a/package-lock.json b/package-lock.json
index af925bb34..cea332077 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5346,6 +5346,12 @@
           "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
           "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
           "dev": true
+        },
+        "source-map": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "dev": true
         }
       }
     },
@@ -5421,9 +5427,9 @@
       }
     },
     "source-map": {
-      "version": "0.5.7",
-      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
-      "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w="
+      "version": "0.7.3",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.7.3.tgz",
+      "integrity": "sha512-CkCj6giN3S+n9qrYiBTX5gystlENnRW5jZeNLHpe6aue+SrHcG5VYwujhW9s4dY31mEGsxBDrHR6oI69fTXsaQ=="
     },
     "source-map-resolve": {
       "version": "0.5.2",
diff --git a/package.json b/package.json
index 2fe35d02d..03ef8e3cc 100644
--- a/package.json
+++ b/package.json
@@ -104,7 +104,7 @@
     "cssauron": "^1.4.0",
     "damerau-levenshtein": "^1.0.4",
     "semver-dsl": "^1.0.1",
-    "source-map": "^0.5.7",
+    "source-map": "^0.7.0",
     "sprintf-js": "^1.1.2"
   }
 }