diff --git a/requirements_dev.txt b/requirements_dev.txt
index c520b11..3e4adfd 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,5 +1,5 @@
 pip==9.0.1
-punch.py==1.4.0
+punch.py==1.4.1
 wheel==0.29.0
 watchdog==0.8.3
 flake8==3.4.1