diff --git a/requirements_dev.txt b/requirements_dev.txt
index ac3699d..0ca570e 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,4 +1,4 @@
-pip==21.1
+pip==21.1.1
 bump2version==1.0.1
 wheel==0.36.2
 flake8==3.9.1