diff --git a/libwebp.spec b/libwebp.spec
index 89a9661..11ae562 100644
--- a/libwebp.spec
+++ b/libwebp.spec
@@ -1,5 +1,5 @@
 Name:          libwebp
-Version:       0.4.1
+Version:       0.4.4
 Release:       1mamba
 Summary:       A method of lossy compression that can be used on photographic images
 Group:         System/Libraries
@@ -50,7 +50,9 @@ This package contains utility applications for %{name}.
 %build
 ./autogen.sh
 %configure \
+  --with-pnglibdir=%{_libdir} \
   --disable-static
+
 %make
 
 %install
@@ -82,6 +84,12 @@ This package contains utility applications for %{name}.
 %{_mandir}/man1/*
 
 %changelog
+* Tue Nov 03 2015 Automatic Build System <autodist@mambasoft.it> 0.4.4-1mamba
+- automatic version update by autodist
+
+* Tue Aug 18 2015 Automatic Build System <autodist@mambasoft.it> 0.4.3-1mamba
+- automatic version update by autodist
+
 * Sun Aug 31 2014 Silvan Calarco <silvan.calarco@mambasoft.it> 0.4.1-1mamba
 - update to 0.4.1