diff --git a/requirements-dev.txt b/requirements-dev.txt
index f2f298f..b0a6793 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,4 +2,4 @@ hiredis==0.2.0
 django-nose==1.4.4
 nose==1.3.6
 msgpack-python==0.4.6
-pyyaml==5.3.1
+pyyaml==5.4