diff --git a/appveyor.yml b/appveyor.yml
index 4912f88b6..fa978bb4a 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -19,3 +19,5 @@ environment:
     - ruby_version: "23-x64"
     - ruby_version: "24"
     - ruby_version: "24-x64"
+    - ruby_version: "25"
+    - ruby_version: "25-x64"