diff --git a/package-lock.json b/package-lock.json
index ffda0ea..5257e79 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2131,9 +2131,9 @@
       "dev": true
     },
     "deep-extend": {
-      "version": "0.4.1",
-      "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.4.1.tgz",
-      "integrity": "sha1-7+QRPQgIX05vlod1mBD4B0aeIlM="
+      "version": "0.5.1",
+      "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.5.1.tgz",
+      "integrity": "sha512-N8vBdOa+DF7zkRrDCsaOXoCs/E2fJfx9B9MrKnnSiHNh4ws7eSys6YQE4KvT1cecKmOASYQBhbKjeuDD9lT81w=="
     },
     "define-properties": {
       "version": "1.1.3",
diff --git a/package.json b/package.json
index 6983de6..7b1c19b 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "@fortawesome/react-fontawesome": "^0.1.7",
     "angular": "^1.4.7",
     "bootstrap": "^3.3.5",
-    "deep-extend": "^0.4.0",
+    "deep-extend": "^0.5.1",
     "font-awesome": "^4.4.0",
     "jquery": "^2.2.4",
     "minesweeper": "^1.0.4",