diff --git a/requirements_dev.txt b/requirements_dev.txt
index eb0e7db..9211427 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,4 +1,4 @@
-pip==9.0.1
+pip==20.2.1
 
 # release management
 bumpversion==0.5.3