diff --git a/requirements_dev.txt b/requirements_dev.txt
index b1b09cc..5a2d7a9 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -7,4 +7,4 @@ coverage==4.4.1
 Sphinx==1.6.5
 
 pytest==3.2.2
-httpretty==0.8.14
+httpretty==1.1.1