diff --git a/requirements/dev.txt b/requirements/dev.txt
index 84ffaf42..d8fa2a5c 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -2,7 +2,7 @@
 nose>=1.3.7,<2
 pylint>=1.6.4,<2
 pep8>=1.7.0,<2
-mixer==6.1.3
+mixer==7.2.2
 responses==0.10.5
 
 coverage==4.5.2