$ pacman -Syu
:: Synchronizing package databases...
 mingw32                  485.9 KiB   576K/s 00:01 [#####################] 100%
 mingw32.sig              119.0   B  0.00B/s 00:00 [#####################] 100%
 mingw64                  486.8 KiB   956K/s 00:01 [#####################] 100%
 mingw64.sig              119.0   B  0.00B/s 00:00 [#####################] 100%
 msys                     171.6 KiB  1016K/s 00:00 [#####################] 100%
 msys.sig                 119.0   B  0.00B/s 00:00 [#####################] 100%
:: Starting core system upgrade...
warning: terminate other MSYS2 programs before proceeding
resolving dependencies...
looking for conflicting packages...

Packages (2) msys2-runtime-2.11.1-2  msys2-runtime-devel-2.11.1-2

Total Download Size:    7.00 MiB
Total Installed Size:  40.27 MiB
Net Upgrade Size:       0.73 MiB

:: Proceed with installation? [Y/n]