diff --git a/README.md b/README.md
index 5ea32537..c80b07ef 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ examples as documentation.
 
 ## Test Requirements
 
-* need a recent mgba (known to work on 0.8.4+)
+* mgba 0.9.0
 * [corwinkuiper/mgba-test-runner](https://github.com/corwinkuiper/mgba-test-runner)
     * `cargo install --git https://github.com/corwinkuiper/mgba-test-runner.git`