diff --git a/requirements.txt b/requirements.txt
index e38052e..7c68af6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,7 +34,7 @@ pytz==2017.3
 service-identity==17.0.0
 six==1.11.0
 twisted[conch,tls]==17.9.0
-txaws==0.4.0
+txaws==0.5.0
 venusian==1.1.0
 vertex==0.3.1
 zope.interface==4.4.3