diff --git a/uml_generator/package-lock.json b/uml_generator/package-lock.json
index 937a822..c1b6953 100644
--- a/uml_generator/package-lock.json
+++ b/uml_generator/package-lock.json
@@ -106,9 +106,9 @@
       "dev": true
     },
     "lodash": {
-      "version": "3.7.0",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.7.0.tgz",
-      "integrity": "sha1-Nni9irmVBXwHreg27S7wh9qBHUU="
+      "version": "4.17.13",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.13.tgz",
+      "integrity": "sha512-vm3/XWXfWtRua0FkUyEHBZy8kCPjErNBT9fJx8Zvs+U6zjqPbTUOpkaoum3O5uiA8sm+yNMHXfYkTUHFoMxFNA=="
     },
     "nomnom": {
       "version": "1.5.2",
diff --git a/uml_generator/package.json b/uml_generator/package.json
index 2df1c73..f7cd878 100644
--- a/uml_generator/package.json
+++ b/uml_generator/package.json
@@ -14,7 +14,7 @@
     "dist/nomnoml-cli.js"
   ],
   "dependencies": {
-    "lodash": "~3.7.0",
+    "lodash": "~4.17.13",
     "dagre": "0.4.x"
   },
   "devDependencies": {