diff --git a/academic/copasi/copasi.SlackBuild b/academic/copasi/copasi.SlackBuild
index 1321dfc615..1331756950 100644
--- a/academic/copasi/copasi.SlackBuild
+++ b/academic/copasi/copasi.SlackBuild
@@ -23,7 +23,7 @@
 #  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 PRGNAM=copasi
-VERSION=${VERSION:-65}
+VERSION=${VERSION:-4.13.87}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
@@ -39,9 +39,9 @@ PKG=$TMP/package-$PRGNAM
 OUTPUT=${OUTPUT:-/tmp}
 
 if [ "$ARCH" = "i486" ]; then
-  BINNAME="Linux-Dynamic"
+  BINNAME="Linux-32bit"
 elif [ "$ARCH" = "x86_64" ]; then
-  BINNAME="Linux64-Dynamic"
+  BINNAME="Linux-64bit"
 else
   echo "$ARCH is not supported by the $PRGNAM build script..."
   exit 1
@@ -56,8 +56,8 @@ rm -rf $PKG
 mkdir -p $TMP $PKG $OUTPUT
 cd $TMP
 rm -rf $PRGNAM-$VERSION
-tar xvf $CWD/Copasi-$VERSION-$BINNAME.tar.gz
-mv $PRGNAM $PRGNAM-$VERSION
+tar xvf $CWD/COPASI-$VERSION-$BINNAME.tar.gz
+mv COPASI-$VERSION-$BINNAME $PRGNAM-$VERSION
 cd $PRGNAM-$VERSION
 chown -R root:root .
 find -L . \
@@ -73,7 +73,6 @@ cp $CWD/copasi.desktop $PKG/usr/share/applications/copasi.desktop
 cp share/copasi/icons/Copasi48-Alpha.xpm $PKG/usr/share/pixmaps/copasi.xpm
 
 mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
-cp -a LICENSE README $PKG/usr/doc/$PRGNAM-$VERSION
 cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
 
 mkdir -p $PKG/install
diff --git a/academic/copasi/copasi.info b/academic/copasi/copasi.info
index 68487f934e..d155bc4435 100644
--- a/academic/copasi/copasi.info
+++ b/academic/copasi/copasi.info
@@ -1,10 +1,10 @@
 PRGNAM="copasi"
-VERSION="4.11.65"
+VERSION="4.13.87"
 HOMEPAGE="http://www.copasi.org"
-DOWNLOAD="http://www.comp-sys-bio.org/mirror.copasi.org/Copasi-65-Linux-Dynamic.tar.gz"
-MD5SUM="eb129d5b53c45bda05549f7110ec2463"
-DOWNLOAD_x86_64="http://www.comp-sys-bio.org/mirror.copasi.org/Copasi-65-Linux64-Dynamic.tar.gz"
-MD5SUM_x86_64="35d0ef70f8809db656cc532734691c9e"
+DOWNLOAD="http://www.comp-sys-bio.org/mirror.copasi.org/COPASI-4.13.87-Linux-32bit.tar.gz"
+MD5SUM="4b66ff9bfb02d7441db0031b7a22e722"
+DOWNLOAD_x86_64="http://www.comp-sys-bio.org/mirror.copasi.org/COPASI-4.13.87-Linux-64bit.tar.gz"
+MD5SUM_x86_64="95bf0c46c12bc241c729e708a771ec9f"
 REQUIRES=""
 MAINTAINER="Pedro Mendes"
 EMAIL="pedro@gepasi.org"