remove device-tree-compiler fail

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1

1.apt-get install device-tree-compiler , then using dtc -v to get ver 1.3.0-gf8cb5dd9-dirty

But I need device-tree-compiler ver1.4.0 or above for making uImage, then
2.download device-tree-compiler_1.4.0+dfsg-1_amd64.deb from web site
3.Dpkg -i device-tree-compiler_1.4.0+dfsg-1_amd64.deb , then using dtc -v to get ver 1.3.0-gf8cb5dd9-dirty
4. I do below process, then using dtc -v to get ver 1.3.0-gf8cb5dd9-dirty
apt-get remove device-tree-compiler
apt-get remove --auto-remove device-tree-compiler
apt-get purge device-tree-compiler

apt-get purge --auto-remove device-tree-compiler
How can I install the right DTC version?

2

which dtc
/usr/local/bin/dtc

probably have an older locally installed version.

Regards,