diff --git a/.travis.yml b/.travis.yml
index e389f150..ea3dcc95 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,9 +1,13 @@
 language: ruby
+
+before_script:
+  - gem install bundler
+
 rvm:
-  - 2.3
   - 2.4
   - 2.5
   - 2.6
+  - 2.7
   - jruby
   - rbx-3
 
diff --git a/gemspec.yml b/gemspec.yml
index ad53416f..7e06e67f 100644
--- a/gemspec.yml
+++ b/gemspec.yml
@@ -6,7 +6,7 @@ authors: Postmodern
 email: postmodern.mod3@gmail.com
 homepage: https://github.com/rubysec/bundler-audit#readme
 
-required_ruby_version: ">= 1.9.3"
+required_ruby_version: ">= 2.4.0"
 required_rubygems_version: ">= 1.8.0"
 
 dependencies: