diff --git a/delayed-inserter/requirements.txt b/delayed-inserter/requirements.txt
index 2befcb8..c8e96a3 100644
--- a/delayed-inserter/requirements.txt
+++ b/delayed-inserter/requirements.txt
@@ -2,4 +2,4 @@ async-timeout==3.0.1
 aioredis==1.3.0
 cassandra-driver==3.18.0
 elasticsearch==7.1.0
-websockets==8.1
+websockets==9.1