diff --git a/Pipfile b/Pipfile
index 71e4f7c..efa2a23 100644
--- a/Pipfile
+++ b/Pipfile
@@ -6,6 +6,7 @@ name = "pypi"
 [packages]
 
 [dev-packages]
+twine = "3.7.1"
 
 [requires]
 python_version = "3.9"