object ‘var.select’ is not exported on installation

[GCAT01]

I am attempting to install your library. After installing all of the dependencies, (I think) I finally arrived at this on my most recent attempt:

> remotes::install_github("dustinfife/fifer")
Downloading GitHub repo dustinfife/fifer@HEAD
── R CMD build ───────────────────────────────────────────────────
✔  checking for file ‘/tmp/Rtmp3lNXBC/remotes12b934fe4a9c4/dustinfife-fifer-2f52785/DESCRIPTION’ ...
─  preparing ‘fifer’:
✔  checking DESCRIPTION meta-information ...
─  checking for LF line-endings in source and make files and shell scripts
─  checking for empty or unneeded directories
─  looking to see if a ‘data/datalist’ file should be added
─  building ‘fifer_1.2.tar.gz’ (559ms)
   
Installing package into ‘/home/genericuser/R/x86_64-pc-linux-gnu-library/4.5’
(as ‘lib’ is unspecified)
* installing *source* package ‘fifer’ ...
** this is package ‘fifer’ version ‘1.2’
** using staged installation
** R
** data
** byte-compile and prepare package for lazy loading
Warning: replacing previous import ‘flexplot::flip_data’ by ‘ggplot2::flip_data’ when loading ‘fifer’
Error: object ‘var.select’ is not exported by 'namespace:randomForestSRC'
Execution halted
ERROR: lazy loading failed for package ‘fifer’
* removing ‘/home/genericuser/R/x86_64-pc-linux-gnu-library/4.5/fifer’

What should I do?