diff --git a/src/main/kotlin/me/zhouxi/slint/stubs/StubKeys.java b/src/main/kotlin/me/zhouxi/slint/stubs/StubKeys.kt
similarity index 100%
rename from src/main/kotlin/me/zhouxi/slint/stubs/StubKeys.java
rename to src/main/kotlin/me/zhouxi/slint/stubs/StubKeys.kt