diff --git a/assets/setup/install b/assets/setup/install
index acf3f81d..bb602834 100755
--- a/assets/setup/install
+++ b/assets/setup/install
@@ -73,7 +73,7 @@ apt-get update
 
 # install build dependencies for gem installation
 apt-get install -y gcc g++ make patch pkg-config cmake \
-  libc6-dev ruby2.1-dev \
+  libc6-dev ruby-dev \
   libmysqlclient-dev libpq-dev zlib1g-dev libyaml-dev libssl-dev \
   libgdbm-dev libreadline-dev libncurses5-dev libffi-dev \
   libxml2-dev libxslt-dev libcurl4-openssl-dev libicu-dev