.travis.yml in deep_pluck-1.1.3 vs .travis.yml in deep_pluck-1.1.4

@@ -4,10 +4,11 @@
     - CC_TEST_REPORTER_ID=29e69e7da6b55678f27b7de2444b6161a6c98e3c4b22e0e017ebab87ada18fd5
 language: ruby
 rvm:
   - 2.2
   - 2.6
+  - 2.7
 gemfile:
   - gemfiles/3.2.gemfile
   - gemfiles/4.2.gemfile
   - gemfiles/5.0.gemfile
   - gemfiles/5.1.gemfile
@@ -15,16 +16,20 @@
   - gemfiles/6.0.gemfile
 matrix:
   exclude:
     - gemfile: gemfiles/3.2.gemfile
       rvm: 2.6
-    - gemfile: gemfiles/4.0.gemfile
-      rvm: 2.6
+    - gemfile: gemfiles/3.2.gemfile
+      rvm: 2.7
+    - gemfile: gemfiles/4.2.gemfile
+      rvm: 2.7
     - gemfile: gemfiles/6.0.gemfile
       rvm: 2.2
 before_install:
-  - gem i rubygems-update -v '<3' && update_rubygems
-  - gem install bundler -v 1.17.3
+  - if `ruby -e 'exit(RUBY_VERSION.to_f < 2.7)'`; then
+      gem i rubygems-update -v '< 3' && update_rubygems;
+      gem install bundler -v '< 2';
+    fi
   - gem --version
   - curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
   - chmod +x ./cc-test-reporter
   - ./cc-test-reporter before-build
 script: