diff --git a/java/src/org/futo/inputmethod/keyboard/internal/KeyboardState.java b/java/src/org/futo/inputmethod/keyboard/internal/KeyboardState.kt
similarity index 100%
rename from java/src/org/futo/inputmethod/keyboard/internal/KeyboardState.java
rename to java/src/org/futo/inputmethod/keyboard/internal/KeyboardState.kt