diff --git a/package.json b/package.json
index 6a0ec4de..ad3246e2 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "@types/chai": "4.0.4",
     "@types/meteor": "1.4.14",
     "@types/mocha": "2.2.43",
-    "@types/underscore": "1.8.3",
+    "@types/underscore": "1.8.9",
     "conventional-changelog": "1.1.0",
     "conventional-changelog-cli": "1.2.0",
     "jsdoc-to-markdown": "3.0.0",
diff --git a/yarn.lock b/yarn.lock
index fcf8be56..675e6ac3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -31,9 +31,9 @@
   version "1.8.8"
   resolved "https://registry.yarnpkg.com/@types/underscore/-/underscore-1.8.8.tgz#510fe1ca5e7fa87fccd405b9a8b566d420bc3d1b"
 
-"@types/underscore@1.8.3":
-  version "1.8.3"
-  resolved "https://registry.yarnpkg.com/@types/underscore/-/underscore-1.8.3.tgz#d3cb512dd3dde32b2bbba4be0ca68bd3dad4a1f5"
+"@types/underscore@1.8.9":
+  version "1.8.9"
+  resolved "https://registry.yarnpkg.com/@types/underscore/-/underscore-1.8.9.tgz#fef41f800cd23db1b4f262ddefe49cd952d82323"
 
 JSONStream@^1.0.4:
   version "1.2.1"