diff --git a/.travis.yaml b/.travis.yaml
new file mode 100644
index 00000000..14ae5181
--- /dev/null
+++ b/.travis.yaml
@@ -0,0 +1,5 @@
+language: rust
+rust:
+  - stable
+  - beta
+  - 1.30.0  # The minimal Rust version we claim we need.