diff --git a/requirements_dev.txt b/requirements_dev.txt
index 9b99a436..b17edc1d 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -5,5 +5,5 @@ pytest==3.0.5
 tox==2.5.0
 pytest-cov==2.4.0
 watchdog==0.8.3
-sh==1.12.6
+sh==1.12.8
 flake8==3.2.0