diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index a0fc306..c1a521e 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -1 +1 @@
-grain.version=0.6.5
+grain.version=0.6.6