diff --git a/requirements-output.txt b/requirements-output.txt
index 110c13cb..0253f13f 100644
--- a/requirements-output.txt
+++ b/requirements-output.txt
@@ -40,6 +40,9 @@ splunk-sdk
 # influxdb
 influxdb
 
+# kafka
+afkak snappy
+
 # dblog_xmpp
 wokkel==18.0.0rc3