diff --git a/.gitignore b/.gitignore
index 381c95a..7d3d6a4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -45,3 +45,4 @@ clamtk-4.28.tar.gz
 /clamtk-5.25.tar.xz
 /clamtk-5.26.tar.xz
 /clamtk-5.27.tar.xz
+/clamtk-6.00.tar.xz
diff --git a/clamtk.spec b/clamtk.spec
index 221b4a2..625cbb0 100644
--- a/clamtk.spec
+++ b/clamtk.spec
@@ -1,11 +1,11 @@
 Name: clamtk
-Version: 5.27
+Version: 6.00
 Release: 1%{dist}
 Summary: Easy to use graphical user interface for Clam anti virus
 License: GPL+ or Artistic 2.0
-URL: https://bitbucket.org/davem_/clamtk/
+URL: https://bitbucket.org/davem_/clamtk-gtk3/
 
-Source0: https://bitbucket.org/davem_/%{name}/downloads/%{name}-%{version}.tar.xz
+Source0: https://bitbucket.org/davem_/clamtk-gtk3/downloads/%{name}-%{version}.tar.xz
 BuildArch: noarch
 
 BuildRequires: desktop-file-utils
@@ -38,11 +38,11 @@ for n in po/*.mo ; do
     install -p -D -m0644 $n %{buildroot}/%{_datadir}/locale/`basename $n .mo`/LC_MESSAGES/clamtk.mo
 done
 
-desktop-file-install --delete-original  \
-	--add-category="GTK"                \
-        --add-category="GNOME"          \
-	--add-category="Utility"            \
-	--dir %{buildroot}/%{_datadir}/applications %{buildroot}/%{_datadir}/applications/*
+    desktop-file-install --delete-original  \
+	--add-category="GTK"                    \
+    --add-category="GNOME"                  \
+	--add-category="Utility"                \
+    --dir %{buildroot}/%{_datadir}/applications %{buildroot}/%{_datadir}/applications/*
 
 %find_lang %{name} --with-gnome
 
@@ -65,6 +65,11 @@ desktop-file-install --delete-original  \
 %{_mandir}/man1/%{name}.1*
 
 %changelog
+* Sat Feb 23 2019 Dave M. <dave.nerd@gmail.com> - 6.00-1
+- Updated to release 6.00.
+- Update sources URL to clamtk-gtk3 link.
+- Updated to use Gtk3.
+
 * Sat Feb 9 2019 Dave M. <dave.nerd@gmail.com> - 5.27-1
 - Updated to release 5.27.
 
diff --git a/sources b/sources
index 7355b6b..f63897c 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (clamtk-5.27.tar.xz) = a6f3cc5c981b1b59d93e1949ef6db7a21f7d48b6f5963c9922f8575eef58489b9375887bcee097c1866616c5ed66a66886826e2fda1c0cc21f8c8e76bcc8e139
+SHA512 (clamtk-6.00.tar.xz) = 5b8434532142f340caf5b16f95da0f5d0f3910c3c834ef963c1c8a9d7c1d032555c38fcb3f6195ad5f6cacde796824b68432bc1d16460a34976f0608eee47fdc