diff --git a/package.json b/package.json
index 51d25286..053dc69b 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "markdown-doctest": "^0.9.1",
     "mocha": "^3.5.0",
     "nyc": "^11.1.0",
-    "rollup": "^0.47.2",
+    "rollup": "0.47.2",
     "semantic-release": "^6.3.6"
   },
   "release": {