diff --git a/.travis.yml b/.travis.yml
index 0abe04d..da65b6e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,9 +4,7 @@
   - gem update --system
   - gem --version
 rvm:
+  - 2.6
   - 2.5
   - 2.4
   - 2.3
-  - 2.2
-  - 2.1
-  - 2.0
diff --git a/README.md b/README.md
index a130df3..09cf451 100644
--- a/README.md
+++ b/README.md
@@ -152,7 +152,7 @@
 
 ## Supported Rubies
 
-- Ruby MRI (2.0+)
+- Ruby MRI (2.3, 2.4, 2.5, 2.6)
 
 ## License