diff --git a/plugins/repo/.gitignore b/plugins/repo/.gitignore
index 2983228bd..4e8c51e8a 100644
--- a/plugins/repo/.gitignore
+++ b/plugins/repo/.gitignore
@@ -3,3 +3,4 @@
 /triggers/*
 /triggers
 /pre-delete
+/post-stack-set
diff --git a/plugins/repo/Makefile b/plugins/repo/Makefile
index 2dd00e389..fd3d74547 100644
--- a/plugins/repo/Makefile
+++ b/plugins/repo/Makefile
@@ -1,5 +1,5 @@
 SUBCOMMANDS = subcommands/gc subcommands/purge-cache
-TRIGGERS = triggers/pre-delete
+TRIGGERS = triggers/post-stack-set triggers/pre-delete
 BUILD = commands subcommands triggers
 PLUGIN_NAME = repo
 
diff --git a/plugins/repo/src/triggers/triggers.go b/plugins/repo/src/triggers/triggers.go
index b0dbd6eff..8e170f1a6 100644
--- a/plugins/repo/src/triggers/triggers.go
+++ b/plugins/repo/src/triggers/triggers.go
@@ -18,6 +18,9 @@ func main() {
 
 	var err error
 	switch trigger {
+	case "post-stack-set":
+		appName := flag.Arg(0)
+		err = repo.PurgeCache(appName)
 	case "pre-delete":
 		appName := flag.Arg(0)
 		err = repo.PurgeCache(appName)