diff --git a/README.md b/README.md
index 62132d4..ef172dd 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ A streamlined interface to calculate the breeding values of entries in breeding
 ## Installation
 
 ```R
-devtools::install_github("jeffersonfparil/gp", upgrade_dependencies=TRUE)
+devtools::install_github("jeffersonfparil/gp", upgrade="always", force=TRUE)
 ```
 
 ## Architecture
diff --git a/inst/exec_Rscript/1-checks_and_submision.sh b/inst/exec_Rscript/1-checks_and_submision.sh
index 27c2b1c..a373541 100755
--- a/inst/exec_Rscript/1-checks_and_submision.sh
+++ b/inst/exec_Rscript/1-checks_and_submision.sh
@@ -35,7 +35,7 @@ fi
 ### Install gp if not installed yet ###
 #######################################
 echo "Checking if the R library gp exists and installing it, if not..."
-Rscript -e 'if (!require("gp", character.only = TRUE)) {devtools::install_github("jeffersonfparil/gp", upgrade_dependencies=TRUE)}'
+Rscript -e 'if (!require("gp", character.only = TRUE)) {devtools::install_github("jeffersonfparil/gp", upgrade="always", force=TRUE)}'
 ################################################################
 ### TOP-LEVEL SLURM ARRAY JOB SUBMISSION SCRIPT
 ### Please edit the input variables below to match your dataset: