diff --git a/requirements.dev.txt b/requirements.dev.txt
index 6d49687..10c0f9a 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -2,5 +2,5 @@
 nose>=1.3.7,<2
 nose-watcher==0.1.3
 coverage==4.5.2
-mixer==6.1.3
+mixer==7.2.2
 responses==0.10.5