diff --git a/package.json b/package.json
index c9dc9a6..ab4ae9e 100644
--- a/package.json
+++ b/package.json
@@ -26,12 +26,12 @@
     "floating-adapter": "^1.2.0",
     "gulp": "^3.8.11",
     "gulp-coveralls": "^0.1.3",
-    "gulp-istanbul": "^0.6.0",
+    "gulp-istanbul": "^0.10.1",
     "gulp-mocha": "^2.0.0",
     "linear-arbitrary-precision": "^3.1.0",
     "linear-preset-factory": "^1.0.2",
     "rescale": "^8.0.1",
     "rimraf": "^2.3.2",
-    "should": "^5.0.0"
+    "should": "^7.1.0"
   }
 }