error in install.package("phia") - r

Question

I am running macOS High Sierra: 10.13.3 and RStudio: 1.1.383
I am trying to install the package "phia" to use the interactionMeans
I have tried changing my mirror to no avail
However, I get this error;
> install.packages("phia", repos="http://cran.r-project.org",
dependencies = T)
also installing the dependencies ‘rio’, ‘car’
There are binary versions available but the source versions are
later:
binary source needs_compilation
rio 0.5.5 0.5.10 FALSE
car 2.1-6 3.0-0 FALSE
trying URL 'http://cran.r-
project.org/bin/macosx/mavericks/contrib/3.3/phia_0.2-1.tgz'
Content type 'application/x-gzip' length 570570 bytes (557 KB)
==================================================
downloaded 557 KB
The downloaded binary packages are in /var/fo
lders/73/gmd2dyv53bq9z861m7x1v09h0000gn/T//Rtmp23hrdR/downloaded_pa
ckages
installing the source packages ‘rio’, ‘car’
trying URL 'http://cran.r-project.org/src/contrib/rio_0.5.10.tar.gz'
Content type 'application/x-gzip' length 70117 bytes (68 KB)
==================================================
downloaded 68 KB
trying URL 'http://cran.r-project.org/src/contrib/car_3.0-0.tar.gz'
Content type 'application/x-gzip' length 443887 bytes (433 KB)
==================================================
downloaded 433 KB
* installing *source* package ‘rio’ ...
** package ‘rio’ successfully unpacked and MD5 sums checked
** R
** inst
** preparing package for lazy loading
Error : object ‘read_xls’ is not exported by 'namespace:readxl'
ERROR: lazy loading failed for package ‘rio’
* removing
‘/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rio’
Warning in install.packages :
installation of package ‘rio’ had non-zero exit status
ERROR: dependency ‘rio’ is not available for package ‘car’
* removing
‘/Library/Frameworks/R.framework/Versions/3.3/Resources/library/car’
Warning in install.packages :
installation of package ‘car’ had non-zero exit status
The downloaded source packages are in
‘/private/var/folders/73/gmd2dyv53bq9z861m7x1v09h0000gn/T/Rtmp23hrdR/downloaded_packages’
If anyone has any ideas please fire them at me!