Jupyter kernel for Julia 0.6.4 remains 0.6.2

General Usage
1

After installing Julia 0.6.4 and doing Pkg.add("IJulia") Jupyter notebook (and Jupyter Lab) shows the same old kernel 0.6.2.

2

You need to Pkg.build("IJulia").

3

Thank you for your help. Now Jupyter shows the right version.