diff --git a/etc/requirements_dev.txt b/etc/requirements_dev.txt
index 53e56d9c..7c457e50 100644
--- a/etc/requirements_dev.txt
+++ b/etc/requirements_dev.txt
@@ -30,6 +30,7 @@ flake8==3.3.0
 mccabe==0.6.0
 pycodestyle==2.3.1
 pyflakes==1.5.0
+configparser==3.5.0;python_version<"3.2"
 
 # Documentation Conversion