diff --git a/package.json b/package.json
index 1cd6927..acd09e2 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
   },
   "homepage": "https://github.com/LLK/scratch-audio#readme",
   "devDependencies": {
-    "audio-context": "^1.0.1",
+    "audio-context": "1.0.1",
     "babel-core": "^6.24.1",
     "babel-eslint": "^7.2.2",
     "babel-loader": "^6.4.1",