diff --git a/bin/install_requirements.R b/bin/install_requirements.R
index 6f4faef..8849eed 100644
--- a/bin/install_requirements.R
+++ b/bin/install_requirements.R
@@ -1,8 +1,10 @@
 lib <- "~/R/library"
-install.packages("jsonlite",lib=lib)
-install.packages("rjson",lib=lib)
-install.packages("dplyr",lib=lib)
-install.packages("twitteR",lib=lib)
-install.packages("ini",lib=lib)
-install.packages("RSQLite",lib=lib)
+repos='http://cran.us.r-project.org/'
+install.packages("jsonlite",lib=lib, repos=repos)
+install.packages("rjson",lib=lib, repos=repos)
+install.packages("dplyr",lib=lib, repos=repos)
+install.packages("twitteR",lib=lib, repos=repos)
+install.packages("ini",lib=lib, repos=repos)
+install.packages("RSQLite",lib=lib, repos=repos)
+install.packages("devtools",lib=lib, repos=repos)
 devtools::install_github('ThomasChln/mastodon',lib=lib)