diff --git a/.github/workflows/slack_notifications.yml b/.github/workflows/slack_notifications.yml
index c11b1bbbab..0dd7074859 100644
--- a/.github/workflows/slack_notifications.yml
+++ b/.github/workflows/slack_notifications.yml
@@ -32,6 +32,7 @@ jobs:
             rack
             rails
             rake
+            rdkafka
             redis
             resque
             roda