diff --git a/webkitgtk.spec b/webkitgtk.spec
index 73de056..1a4eee9 100644
--- a/webkitgtk.spec
+++ b/webkitgtk.spec
@@ -20,7 +20,7 @@
 %define        libname libwebkit2gtk
 
 Name:          webkitgtk
-Version:       2.12.0
+Version:       2.12.3
 Release:       1mamba
 Summary:       Port of WebKit embeddable web component to GTK+
 Group:         System/Libraries
@@ -127,8 +127,9 @@ WebKit/GTK+ is the new GTK+ port of the WebKit, an open-source web content engin
 This package contains the documentation for %{name},
 
 %prep
-%setup -q -D -T
-:<< __EOF
+%setup -q
+#-D -T
+#:<< __EOF
 #%patch0 -p0
 
 %build
@@ -158,10 +159,10 @@ CXXFLAGS="%{optflags} -DNDEBUG $EXTRA_CXXFLAGS"
    -DENABLE_JIT=OFF
 %endif
 
-##__EOF
+#__EOF
 ### https://bugs.webkit.org/show_bug.cgi?id=34846
 ## V=1 seems a workaround for make error 'argument list too long'
-%make
+%make || %make -j1
 #V=1 || make V=1
 
 %install
@@ -239,6 +240,9 @@ CXXFLAGS="%{optflags} -DNDEBUG $EXTRA_CXXFLAGS"
 %{_bindir}/jsc
 
 %changelog
+* Sun Aug 21 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 2.12.3-1mamba
+- update to 2.12.3
+
 * Thu Mar 24 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 2.12.0-1mamba
 - update to 2.12.0