diff --git a/package.json b/package.json
index 2767f8d..7b5d6d7 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "js-sha512": "0.8.0",
     "node-sass": "4.11.0",
     "opusscript": "0.0.6",
-    "promise-waterfall": "^0.1.0",
+    "promise-waterfall": "0.1.0",
     "pug": "2.0.3",
     "sqlite3": "4.0.6",
     "winston": "3.2.1",