diff --git a/requirements_dev.txt b/requirements_dev.txt
index 7de08ff..5c250b6 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,4 +1,4 @@
-pip==19.2
+pip==21.1
 flake8==2.6.0
 tox>=2.5.0,<2.6.0
 bumpversion>=0.5.0,<1.0.0