diff --git a/requirements_dev.txt b/requirements_dev.txt
index e7f422e..9ff1431 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,4 +1,4 @@
-pip==9.0.1
+pip==18.0
 punch.py==1.4.2
 watchdog==0.8.3
 flake8==3.4.1