diff --git a/samples/minitoken-besu-ethereum/Makefile b/samples/minitoken-besu-ethereum/Makefile
index c2db35e..cfaa6ec 100644
--- a/samples/minitoken-besu-ethereum/Makefile
+++ b/samples/minitoken-besu-ethereum/Makefile
@@ -68,4 +68,4 @@ e2e:
 
 .PHONY: sleep
 sleep:
-	sleep 5
+	sleep 30