diff --git a/package.json b/package.json
index 47349ae..523b55a 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "request": "^2.88.0",
     "string-similarity": "^4.0.4",
     "twitter": "^1.7.1",
-    "underscore": "~1.13.1"
+    "underscore": "~1.13.4"
   },
   "scripts": {
     "build": "grunt build && node pages/generate.js && ./compilephp.sh",
diff --git a/yarn.lock b/yarn.lock
index 05c92f5..f89caa2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2556,10 +2556,10 @@ underscore.string@~3.3.5:
     sprintf-js "^1.0.3"
     util-deprecate "^1.0.2"
 
-underscore@~1.13.1:
-  version "1.13.1"
-  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.13.1.tgz#0c1c6bd2df54b6b69f2314066d65b6cde6fcf9d1"
-  integrity sha512-hzSoAVtJF+3ZtiFX0VgfFPHEDRm7Y/QPjGyNo4TVdnDTdft3tr8hEkD25a1jC+TjTuE7tkHGKkhwCgs9dgBB2g==
+underscore@~1.13.4:
+  version "1.13.4"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.13.4.tgz#7886b46bbdf07f768e0052f1828e1dcab40c0dee"
+  integrity sha512-BQFnUDuAQ4Yf/cYY5LNrK9NCJFKriaRbD9uR1fTeXnBeoa97W0i41qkZfGO9pSo8I5KzjAcSY2XYtdf0oKd7KQ==
 
 union-value@^1.0.0:
   version "1.0.1"