ci: fix travis ci config

diff --git a/.travis.yml b/.travis.yml
index da2327cf56add658c1b917d99c7841382e5e2298..ef000316b7074d9bbf5dcce2c62c00233edc3441 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,8 @@
 language: ruby
 dist: bionic
 before_install:
-- sudo apt-get update -y && \
-- sudo apt-get install -y ruby ruby-dev libtokyocabinet-dev zlib1g-dev libbz2-dev libxml2-dev libxslt1-dev
+- sudo apt-get update -y
+- sudo apt-get install -y libtokyocabinet-dev zlib1g-dev libbz2-dev libxml2-dev libxslt1-dev
 rvm:
   - 2.7.0
   - 2.6.0