diff --git a/abi_used_libs b/abi_used_libs
--- a/abi_used_libs
+++ b/abi_used_libs
@@ -15,6 +15,6 @@
 libm.so.6
 libpthread.so.0
 libpython3.6m.so.1.0
-libruby.so.2.3
+libruby.so.2.6
 libstdc++.so.6
 libz.so.1
diff --git a/package.yml b/package.yml
--- a/package.yml
+++ b/package.yml
@@ -1,6 +1,6 @@
 name       : klayout
 version    : 0.25.4
-release    : 4
+release    : 5
 source     :
     - http://www.klayout.org/downloads/source/klayout-0.25.4.tar.bz2 : fa20bd85a932933be34269750191d2e045b344d4e84c4e418b5cb71d965ad404
 license    :
@@ -17,7 +17,7 @@
     - pkgconfig(Qt5Multimedia)
     - pkgconfig(Qt5Svg)
     - pkgconfig(Qt5XmlPatterns)
-    - pkgconfig(ruby-2.3)
+    - pkgconfig(ruby-2.6)
 replaces   :
     - klayout-devel
 setup      : |
@@ -26,19 +26,11 @@
 build      : |
     cd build-release
     %make
-install    : |
-    ## Binaries
-    install -D -d -m 00755 $installdir/usr/bin
-    install -m 00755 build-release/{klayout,strm*} $installdir/usr/bin/.
-
-    ## Libraries
-    install -D -d -m 00755 $installdir/%libdir%
-    install -m 00644 build-release/libklayout*.so.0 $installdir/%libdir%/.
-    ## use cp+chmod because install resolve
-    cp -d build-release/libklayout*.so.0.* $installdir/%libdir%/.
-    chmod 00644 $installdir/%libdir%/libklayout*.so.0.*
-
-    ## Menu Files    
-    install -D -m 00644 etc/logo.png $installdir/usr/share/pixmaps/klayout.png
-    install -D -m 00644 $pkgfiles/klayoutEditor.desktop $installdir/usr/share/applications/klayoutEditor.desktop
-    install -D -m 00644 $pkgfiles/klayoutViewer.desktop $installdir/usr/share/applications/klayoutViewer.desktop
+install    : "## Binaries\ninstall -D -d -m 00755 $installdir/usr/bin\ninstall -m\
+    \ 00755 build-release/{klayout,strm*} $installdir/usr/bin/.\n\n## Libraries\n\
+    install -D -d -m 00755 $installdir/%libdir%\ninstall -m 00644 build-release/libklayout*.so.0\
+    \ $installdir/%libdir%/.\n## use cp+chmod because install resolve\ncp -d build-release/libklayout*.so.0.*\
+    \ $installdir/%libdir%/.\nchmod 00644 $installdir/%libdir%/libklayout*.so.0.*\n\
+    \n## Menu Files    \ninstall -D -m 00644 etc/logo.png $installdir/usr/share/pixmaps/klayout.png\n\
+    install -D -m 00644 $pkgfiles/klayoutEditor.desktop $installdir/usr/share/applications/klayoutEditor.desktop\n\
+    install -D -m 00644 $pkgfiles/klayoutViewer.desktop $installdir/usr/share/applications/klayoutViewer.desktop\n"
diff --git a/pspec_x86_64.xml b/pspec_x86_64.xml
--- a/pspec_x86_64.xml
+++ b/pspec_x86_64.xml
@@ -2,8 +2,8 @@
     <Source>
         <Name>klayout</Name>
         <Packager>
-            <Name>Shen Chen</Name>
-            <Email>shenchen@cogenda.com</Email>
+            <Name>F. von Gellhorn</Name>
+            <Email>flinux@vongellhorn.ch</Email>
         </Packager>
         <License>GPL-2.0-or-later</License>
         <PartOf>office.scientific</PartOf>
@@ -90,12 +90,12 @@
         </Replaces>
     </Package>
     <History>
-        <Update release="4">
-            <Date>2018-09-30</Date>
+        <Update release="5">
+            <Date>2018-12-26</Date>
             <Version>0.25.4</Version>
             <Comment>Packaging update</Comment>
-            <Name>Shen Chen</Name>
-            <Email>shenchen@cogenda.com</Email>
+            <Name>F. von Gellhorn</Name>
+            <Email>flinux@vongellhorn.ch</Email>
         </Update>
     </History>
 </PISI>
\ No newline at end of file