ImageMagick update to last version

Uninstall current version

yum erase ImageMagick*

Install the needed dependencies

yum install tcl-devel libpng-devel libjpeg-devel ghostscript-devel bzip2-devel freetype-devel libtiff-devel

Download and extract latest ImageMagick version

wget ftp://ftp.imagemagick.org/pub/ImageMagick/ImageMagick.tar.gz
tar xcvf ImageMagick.tar.gz
cd ImageMagick-6.$.$-5

Configure and make ImageMagick

configure --prefix=/usr/local --with-bzlib=yes --with-fontconfig=yes --with-freetype=yes --with-gslib=yes --with-gvc=yes --with-jpeg=yes --with-jp2=yes --with-png=yes --with-tiff=yes

make

make install

Confirm

convert --version

or

identify -version