diff --git a/wine.spec b/wine.spec
index 490c511..d838fed 100644
--- a/wine.spec
+++ b/wine.spec
@@ -6,10 +6,10 @@
 %define wine_mono_ver    4.7.1
 %define wine_staging_ver %{version}
 
-%define WINE_GECKO_CHECKED_FOR_VERSION 3.4
+%define WINE_GECKO_CHECKED_FOR_VERSION 3.15
 
 Name:          wine
-Version:       3.4
+Version:       3.15
 Release:       1mamba
 Epoch:         3
 Summary:       An open source implementation of the Windows API on top of X and Unix
@@ -482,6 +482,9 @@ exit 0
 %doc documentation/README.*
 
 %changelog
+* Thu Sep 13 2018 Silvan Calarco <silvan.calarco@mambasoft.it> 3.15-1mamba
+- update to 3.15
+
 * Wed Mar 21 2018 Silvan Calarco <silvan.calarco@mambasoft.it> 3.4-1mamba
 - update to 3.4