diff --git a/yarn.lock b/yarn.lock
index 8df1787..58d6762 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7053,9 +7053,9 @@ uglify-js@3.4.x:
     source-map "~0.6.1"
 
 underscore@^1.8.3:
-  version "1.9.1"
-  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.9.1.tgz#06dce34a0e68a7babc29b365b8e74b8925203961"
-  integrity sha512-5/4etnCkd9c8gwgowi5/om/mYO5ajCaOgdzj/oW+0eQV9WxKBDZw5+ycmKmeaTXjInS/W0BzpGLo2xR2aBwZdg==
+  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"