diff --git a/plugnparse/requirements_dev.txt b/plugnparse/requirements_dev.txt
index 46a6ed6..a4febb9 100644
--- a/plugnparse/requirements_dev.txt
+++ b/plugnparse/requirements_dev.txt
@@ -1,4 +1,4 @@
-pip==8.1.2
+pip==21.1
 bumpversion==0.5.3
 wheel==0.29.0
 watchdog==0.8.3