diff --git a/oauth_server/package-lock.json b/oauth_server/package-lock.json
index 0b3933c..3b4fd53 100644
--- a/oauth_server/package-lock.json
+++ b/oauth_server/package-lock.json
@@ -419,9 +419,9 @@
       }
     },
     "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=="
     },
     "unpipe": {
       "version": "1.0.0",
diff --git a/oauth_server/package.json b/oauth_server/package.json
index 0b6403a..4a729a5 100644
--- a/oauth_server/package.json
+++ b/oauth_server/package.json
@@ -19,6 +19,6 @@
     "express": "^4.17.1",
     "express-session": "^1.16.2",
     "randomstring": "^1.1.5",
-    "underscore": "^1.9.1"
+    "underscore": "^1.12.1"
   }
 }