diff --git a/.travis.yml b/.travis.yml
index 4806d8a..d254903 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,11 @@ go:
   - "1.14"
   - "1.15"
 
+os:
+  - linux
+  - osx
+  - windows
+
 script:
   - go test -race ./...
   - make