diff --git a/package.json b/package.json
index 3b65471..2332c98 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
   "devDependencies": {
     "algebra.laws": "^0.1.0",
     "coveralls": "^2.11.4",
-    "gulp": "^3.9.0",
+    "gulp": "^3.9.1",
     "gulp-bump": "^0.3.1",
     "gulp-mocha": "^2.1.3",
     "istanbul": "^0.3.19",