diff --git a/Dockerfile b/Dockerfile
index 7b69f04..ff874c8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # technosophos/slack-notify at 2019-03-05T17:12:20IST
 FROM technosophos/slack-notify@sha256:696affff27fbda4a15b337946317f9bc391f209bab16c8d073de4379d5cf3ad2
 
-LABEL "com.github.actions.icon"="slack"
+LABEL "com.github.actions.icon"="cast"
 LABEL "com.github.actions.color"="ffd33d"
 LABEL "com.github.actions.name"="Slack Notification"
 LABEL "com.github.actions.description"="This task sends a notification to a Slack channel"