diff --git a/package.json b/package.json
index 8ed0b63..e41ab4c 100755
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "devDependencies": {
         "typescript": "^3.9.0",
         "@types/node": "^10.0.0",
-        "denoify": "^0.2.3",
+        "denoify": "0.2.3",
         "evt": "~1.6.8",
         "simplifyify": "^8.0.1",
         "terser": "^4.6.10"