diff --git a/package.json b/package.json
index 6f3897a..7140acc 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "enzyme": "^3.3.0",
     "enzyme-adapter-react-16": "^1.1.1",
     "greenkeeper-lockfile": "^1.15.1",
-    "gzip-size": "^4.1.0",
+    "gzip-size": "^5.0.0",
     "jest": "^23.1.0",
     "jest-enzyme": "^6.0.0",
     "jsdom": "^11.10.0",
diff --git a/yarn.lock b/yarn.lock
index 8d7dfce..2cbb572 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1755,9 +1755,9 @@ growly@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/growly/-/growly-1.3.0.tgz#f10748cbe76af964b7c96c93c6bcc28af120c081"
 
-gzip-size@^4.1.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/gzip-size/-/gzip-size-4.1.0.tgz#8ae096257eabe7d69c45be2b67c448124ffb517c"
+gzip-size@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/gzip-size/-/gzip-size-5.0.0.tgz#a55ecd99222f4c48fd8c01c625ce3b349d0a0e80"
   dependencies:
     duplexer "^0.1.1"
     pify "^3.0.0"