diff --git a/requirements_dev.txt b/requirements_dev.txt
index c7984aa..27c0d09 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -10,7 +10,7 @@ pymodbus==1.3.2
 pyserial==3.4
 PyYAML==4.2b1
 
-pip==9.0.1
+pip==21.0.1
 bumpversion==0.5.3
 wheel==0.29.0
 watchdog==0.8.3