Not able to installing package like shiny

Question

installing source package 'shiny' ... ** package 'shiny' successfully unpacked and MD5 sums checked ** R ** inst ** byte-compile and prepare package for lazy loading Error in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]) : namespace 'htmltools' 0.4.0 is being loaded, but >= 0.4.0.9003 is required ERROR: lazy loading failed for package 'shiny'

• removing 'C:/Users/70769095/Documents/R/R-3.5.3/library/shiny' In R CMD INSTALL Warning in install.packages : installation of package ‘shiny’ had non-zero exit status

The downloaded source packages are in ‘C:Users70769095AppDataLocalTempRtmpA9WSFbdownloaded_packages’

Answer 1

等待大神解答