diff --git a/requirements_dev.txt b/requirements_dev.txt
index 17149ab..7bdae91 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -5,7 +5,7 @@ flake8==3.8.4
 tox==3.20.1
 coverage==5.3.1
 Sphinx==3.4.1
-twine==3.3.0
+twine==3.4.1
 pytest==6.2.2
 pytest-runner==5.3.0
 pytest-mock==3.5.1