diff --git a/package.json b/package.json
index 1c6c84f..8797c02 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
         "@types/sinon": "7.0.10",
         "chai": "4.2.0",
         "coveralls": "3.0.3",
-        "del": "4.0.0",
+        "del": "3.0.0",
         "fancy-log": "1.3.3",
         "gulp": "3.9.1",
         "gulp-coveralls": "0.1.4",