diff --git a/ClusteringExploration/package-lock.json b/ClusteringExploration/package-lock.json
index c0f76236..1cf8782d 100644
--- a/ClusteringExploration/package-lock.json
+++ b/ClusteringExploration/package-lock.json
@@ -865,9 +865,9 @@
       "integrity": "sha1-MdPzIjnk9zHsqd+RVeKyl/AIq2Q="
     },
     "underscore": {
-      "version": "1.9.1",
-      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.9.1.tgz",
-      "integrity": "sha512-5/4etnCkd9c8gwgowi5/om/mYO5ajCaOgdzj/oW+0eQV9WxKBDZw5+ycmKmeaTXjInS/W0BzpGLo2xR2aBwZdg=="
+      "version": "1.12.1",
+      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.12.1.tgz",
+      "integrity": "sha512-hEQt0+ZLDVUMhebKxL4x1BTtDY7bavVofhZ9KZ4aI26X9SRaE+Y3m83XUL1UP2jn8ynjndwCCpEHdUG+9pP1Tw=="
     },
     "union-find": {
       "version": "1.0.2",
diff --git a/ClusteringExploration/package.json b/ClusteringExploration/package.json
index e449908b..e7e5ffa9 100644
--- a/ClusteringExploration/package.json
+++ b/ClusteringExploration/package.json
@@ -7,7 +7,7 @@
     "d3-polygon": "^1.0.3",
     "lodash": "^4.17.10",
     "simple-statistics": "^6.1.0",
-    "underscore": "^1.9.1"
+    "underscore": "^1.12.1"
   },
   "devDependencies": {
     "rollup": "^0.63.5",