diff --git a/.travis.yml b/.travis.yml
index eba8c65..5d66bca 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,8 @@
 # R for travis: see documentation at https://docs.travis-ci.com/user/languages/r
 
 language: R
+sudo: false
 cache: packages
+warnings_are_errors: false
+after_success:
+  - Rscript -e 'covr::codecov()'
\ No newline at end of file
diff --git a/DESCRIPTION b/DESCRIPTION
index b2acdab..c06e6f0 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -20,7 +20,8 @@ Imports:
 	patchwork (>= 1.1.1),
 	rstudioapi (>= 0.13),
 	parallel (>= 4.0.4),
-	extrafont
+	extrafont,
+	devtools
 LazyData: true
 BugReports: https://github.com/DanielleMStevens/permissR/issues
 Date: 2021-06-09
diff --git a/README.md b/README.md
index 9da7864..6f24693 100644
--- a/README.md
+++ b/README.md
@@ -47,9 +47,6 @@ conda install isescan
 
 The on the R-console:
 ```R
-install.packages('devtools')
-library(devtools)
-
 usethis::edit_r_profile()
 
 # edit path to conda version of python. Anaconda should be located in your home or user directory.