diff --git a/conf/app.ini b/conf/app.ini
index 719c80e30..1d0fd095e 100644
--- a/conf/app.ini
+++ b/conf/app.ini
@@ -214,7 +214,7 @@ TYPES = gogs, slack, discord
 ; Hook task queue length, increase if webhook shooting starts hanging
 QUEUE_LENGTH = 1000
 ; Deliver timeout in seconds
-DELIVER_TIMEOUT = 5
+DELIVER_TIMEOUT = 15
 ; Allow insecure certification
 SKIP_TLS_VERIFY = false
 ; Number of history information in each page