diff --git a/skencil-0.6.17-libtcl-8.6.patch b/skencil-0.6.17-libtcl-8.6.patch
new file mode 100644
index 0000000..14bc2f6
--- /dev/null
+++ b/skencil-0.6.17-libtcl-8.6.patch
@@ -0,0 +1,22 @@
+--- skencil-0.6.17/Pax/paxmodule.c.orig	2014-09-26 22:52:15.875429070 +0200
++++ skencil-0.6.17/Pax/paxmodule.c	2014-09-26 22:51:29.252433084 +0200
+@@ -9,7 +9,7 @@
+    8.4 and earlier versions. Once Tcl releases before 8.4 don't need to
+    be supported anymore, this should go. */
+ #define USE_COMPAT_CONST
+-
++#define USE_INTERP_RESULT
+ #include <tcl.h>
+ #include <tk.h>
+ 
+--- skencil-0.6.17/Pax/paxtkinter.c.orig	2014-09-26 22:55:23.146412948 +0200
++++ skencil-0.6.17/Pax/paxtkinter.c	2014-09-26 22:55:59.533409815 +0200
+@@ -108,7 +108,7 @@
+    8.4 and earlier versions. Once Tcl releases before 8.4 don't need to
+    be supported anymore, this should go. */
+ #define USE_COMPAT_CONST
+-
++#define USE_INTERP_RESULT 1
+ #include <tcl.h>
+ #include <tk.h>
+ 
diff --git a/skencil.spec b/skencil.spec
index 2abffa5..6fa895a 100644
--- a/skencil.spec
+++ b/skencil.spec
@@ -1,6 +1,6 @@
 Name:          skencil
 Version:       0.6.17
-Release:       2mamba
+Release:       3mamba
 Summary:       An interactive vector drawing appliction
 Group:         Graphical Desktop/Applications/Graphics
 Vendor:        openmamba
@@ -8,22 +8,26 @@ Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://www.skencil.org
 Source:        http://kent.dl.sourceforge.net/sourceforge/sketch/skencil-%{version}.tar.gz
+Patch0:        skencil-0.6.17-libtcl-8.6.patch
 License:       LGPL
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: libtcl
-BuildRequires: libtk
 BuildRequires: libX11-devel
 BuildRequires: libXext-devel
+BuildRequires: libtcl-devel
+BuildRequires: libtk-devel
 ## AUTOBUILDREQ-END
-BuildRequires: python-Imaging >= 1.1.6
+BuildRequires: python-Pillow
 
 %description
 Skencil is a Free Software interactive vector drawing appliction. Known to run on GNU/Linux and other UNIX-compatible systems, it is a flexible and powerful tool for illustrations, diagrams and other purposes.
 
 %prep
 %setup -q
+%patch0 -p1
+TKVER=`pkg-config --modversion tk | cut -d. -f1-2`
+sed -i "s|8\.4|${TKVER}|" setup.py
 
 %build
 ./setup.py configure
@@ -33,7 +37,8 @@ BLDSHARED='gcc -shared' ./setup.py build
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 %{__python} setup.py install \
    --dest-dir="%{buildroot}" \
-   --prefix=%{_prefix}
+   --prefix=%{_prefix} \
+   --tk-flags="`pkg-config --libs tk`"
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
@@ -48,9 +53,12 @@ BLDSHARED='gcc -shared' ./setup.py build
 %{_bindir}/skshow
 %dir %{_libdir}/skencil-%{version}
 %{_libdir}/skencil-%{version}/*
-%doc BUGS COPYING CREDITS NEWS README TODO
+%doc COPYING CREDITS BUGS NEWS README TODO
 
 %changelog
+* Fri Sep 26 2014 Silvan Calarco <silvan.calarco@mambasoft.it> 0.6.17-3mamba
+- rebuilt with libtk 8.6 and python-Pillow-devel
+
 * Wed Dec 10 2008 Silvan Calarco <silvan.calarco@mambasoft.it> 0.6.17-2mamba
 - specfile updated