diff --git a/cantor.spec b/cantor.spec
index 660287a..9336dfe 100644
--- a/cantor.spec
+++ b/cantor.spec
@@ -1,5 +1,5 @@
 Name:          cantor
-Version:       16.08.1
+Version:       16.08.2
 Release:       1mamba
 Summary:       KDE Frontend to Mathematical Software
 Group:         Graphical Desktop/Applications/Educational
@@ -14,9 +14,8 @@ BuildRequires: cmake
 BuildRequires: gcc-fortran
 BuildRequires: glibc-devel
 BuildRequires: kdelibs-devel
-BuildRequires: kde-workspace-devel
 BuildRequires: libgcc
-BuildRequires: libqt4-devel
+BuildRequires: libqt5-devel
 BuildRequires: libsoprano-devel
 BuildRequires: libspectre-devel
 BuildRequires: libstdc++6-devel
@@ -111,6 +110,9 @@ exit 0
 %{_kde5_libdir}/libcantorlibs.so
 
 %changelog
+* Sun Oct 16 2016 Automatic Build System <autodist@mambasoft.it> 16.08.2-1mamba
+- automatic version update by autodist
+
 * Thu Sep 08 2016 Automatic Build System <autodist@mambasoft.it> 16.08.1-1mamba
 - automatic version update by autodist