diff --git a/.travis.yml b/.travis.yml
index 6a89ca4..d2cce25 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,16 +6,44 @@ env:
     - RAILS_ENV=development
 matrix:
   include:
-    - rvm: 2.1
-      env: RAILS_VERSION="~> 4.2.7"
-    - rvm: 2.2
-      env: RAILS_VERSION="~> 4.2.7"
-    - rvm: 2.2
-      env: RAILS_VERSION="~> 5.0.0"
-    - rvm: 2.3.3
-      env: RAILS_VERSION="~> 4.2.7"
-    - rvm: 2.3.3
-      env: RAILS_VERSION="~> 5.0.0"
-    - rvm: 2.4.0
+    - rvm: 2.5
       env: RAILS_VERSION="~> 5.0.0"
+    - rvm: 2.5
+      env: RAILS_VERSION="~> 5.1.0"
+    - rvm: 2.5
+      env: RAILS_VERSION="~> 5.2.0"
+    - rvm: 2.5
+      env: RAILS_VERSION="~> 6.0.0"
+    - rvm: 2.5
+      env: RAILS_VERSION="~> 6.1.0"
+    - rvm: 2.6
+      env: RAILS_VERSION="~> 5.2.0"
+    - rvm: 2.6
+      env: RAILS_VERSION="~> 6.0.0"
+    - rvm: 2.6
+      env: RAILS_VERSION="~> 6.1.0"
+    - rvm: 2.7
+      env: RAILS_VERSION="~> 6.0.0"
+    - rvm: 2.7
+      env: RAILS_VERSION="~> 6.1.0"
+    - rvm: 2.7
+      env: RAILS_VERSION="~> 7.0.0"
+    - rvm: 3.0
+      env: RAILS_VERSION="~> 6.0.0"
+    - rvm: 3.0
+      env: RAILS_VERSION="~> 6.1.0"
+    - rvm: 3.0
+      env: RAILS_VERSION="~> 7.0.0"
+    - rvm: 3.1
+      env: RAILS_VERSION="~> 6.0.0"
+    - rvm: 3.1
+      env: RAILS_VERSION="~> 6.1.0"
+    - rvm: 3.1
+      env: RAILS_VERSION="~> 7.0.0"
+    - rvm: head
+      env: RAILS_VERSION="~> 6.0.0"
+    - rvm: head
+      env: RAILS_VERSION="~> 6.1.0"
+    - rvm: head
+      env: RAILS_VERSION="~> 7.0.0"
 before_install: gem install bundler -v "~> 1.17" --no-document