diff --git a/requirements.txt b/requirements.txt
index 2024cf92..e994ed23 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -59,4 +59,4 @@ wavebender==0.3
 werkzeug==0.9.4
 wsgiref
 xmltodict==0.8.7
-yapf==0.16.1
+yapf==0.43.0