Needs rebuild: libglslang.so.15: cannot open shared object file

Description:

After fully upgrading with sudo pacman -Syu. I get this error when running Spectacle:

$ spectacle          
spectacle: error while loading shared libraries: libglslang.so.15: cannot open shared object file: No such file or directory

Additional info:

• package version(s): Spectacle: 6.4.5-2. glslang: 1.4.328.1-1 (which provides /usr/lib/libglslang.so.16)

Steps to reproduce:

1. Run Spectacle