diff --git a/.travis.yml b/.travis.yml
index 1da8963ace7..69fe263316f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,16 +5,14 @@ language: ruby
 sudo: false
 
 rvm:
-  - &ruby1 2.4.2
-  - &ruby2 2.3.5
-  - &ruby3 2.2.8
-  - &ruby4 2.1.10
-  - &jruby jruby-9.1.14.0
+  - &ruby1 2.5.0
+  - &ruby2 2.4.3
+  - &ruby3 2.3.6
+  - &ruby4 2.2.9
+  - &jruby jruby-9.1.15.0
 
 matrix:
   include:
-    - rvm: *ruby1
-      env: TEST_SUITE=test ROUGE=1.11.1
     - rvm: *ruby1
       env: TEST_SUITE=fmt
     - rvm: *ruby1
diff --git a/appveyor.yml b/appveyor.yml
index b744534b89c..66c44d9f1eb 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -28,8 +28,6 @@ environment:
       TEST_SUITE: "test"
     - RUBY_FOLDER_VER: "22"
       TEST_SUITE: "test"
-    - RUBY_FOLDER_VER: "21"
-      TEST_SUITE: "test"
 
 test_script:
   - ruby --version