Errors while Installing Swirl - Rlang not found on Win 64

Getting error after installing Swirl and running library(swirl):
> install.packages("swirl") Installing package into ‘C:/Users/satyajit/Documents/R/win-library/3.5’ (as ‘lib’ is unspecified) trying URL 'https://cran.rstudio.com/bin/windows/contrib/3.5/swirl_2.4.3.zip' Content type 'application/zip' length 343806 bytes (335 KB) downloaded 335 KB package ‘swirl’ successfully unpacked and MD5 sums checked The downloaded binary packages are in C:\Users\satyajit\AppData\Local\Temp\Rtmpya1fmj\downloaded_packages > library (swirl) Error: package or namespace load failed for ‘swirl’ in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]): there is no package called ‘rlang’

Have you tried installing the missing dependency?

install.packages('rlang') 

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