diff --git a/python-greenlet.spec b/python-greenlet.spec
index d1b0e9e..4443b21 100644
--- a/python-greenlet.spec
+++ b/python-greenlet.spec
@@ -1,5 +1,5 @@
 Name:          python-greenlet
-Version:       0.4.11
+Version:       0.4.15
 Release:       1mamba
 Summary:       Lightweight in-process concurrent programming
 Group:         System/Libraries
@@ -7,7 +7,7 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://github.com/python-greenlet/greenlet
-Source:        https://pypi.debian.net/greenlet/greenlet-%{version}.zip
+Source:        https://pypi.debian.net/greenlet/greenlet-%{version}.tar.gz
 License:       MIT
 ## AUTOBUILDREQ-BEGIN
 ## note: run 'autospec -u -a6 python-greenlet' to get the list of build requirements.
@@ -46,6 +46,9 @@ sed -i "\,\.egg-info/,d;s,.*/man/.*,&.gz," %{name}.filelist
 # 
 
 %changelog
+* Sun Aug 18 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 0.4.15-1mamba
+- update to 0.4.15
+
 * Fri Dec 16 2016 Automatic Build System <autodist@mambasoft.it> 0.4.11-1mamba
 - automatic version update by autodist