diff --git a/navigation-fragments/src/test/java/dev/hotwire/navigation/navigator/NavigatorRuleTest.kt b/navigation-fragments/src/test/kotlin/dev/hotwire/navigation/navigator/NavigatorRuleTest.kt
similarity index 100%
rename from navigation-fragments/src/test/java/dev/hotwire/navigation/navigator/NavigatorRuleTest.kt
rename to navigation-fragments/src/test/kotlin/dev/hotwire/navigation/navigator/NavigatorRuleTest.kt
diff --git a/navigation-fragments/src/test/java/dev/hotwire/navigation/routing/AppNavigationRouteDecisionHandlerTest.kt b/navigation-fragments/src/test/kotlin/dev/hotwire/navigation/routing/AppNavigationRouteDecisionHandlerTest.kt
similarity index 100%
rename from navigation-fragments/src/test/java/dev/hotwire/navigation/routing/AppNavigationRouteDecisionHandlerTest.kt
rename to navigation-fragments/src/test/kotlin/dev/hotwire/navigation/routing/AppNavigationRouteDecisionHandlerTest.kt
diff --git a/navigation-fragments/src/test/java/dev/hotwire/navigation/routing/BrowserRouteDecisionHandlerTest.kt b/navigation-fragments/src/test/kotlin/dev/hotwire/navigation/routing/BrowserRouteDecisionHandlerTest.kt
similarity index 100%
rename from navigation-fragments/src/test/java/dev/hotwire/navigation/routing/BrowserRouteDecisionHandlerTest.kt
rename to navigation-fragments/src/test/kotlin/dev/hotwire/navigation/routing/BrowserRouteDecisionHandlerTest.kt
diff --git a/navigation-fragments/src/test/java/dev/hotwire/navigation/routing/BrowserTabRouteDecisionHandlerTest.kt b/navigation-fragments/src/test/kotlin/dev/hotwire/navigation/routing/BrowserTabRouteDecisionHandlerTest.kt
similarity index 100%
rename from navigation-fragments/src/test/java/dev/hotwire/navigation/routing/BrowserTabRouteDecisionHandlerTest.kt
rename to navigation-fragments/src/test/kotlin/dev/hotwire/navigation/routing/BrowserTabRouteDecisionHandlerTest.kt
diff --git a/navigation-fragments/src/test/java/dev/hotwire/navigation/views/TurboViewTest.kt b/navigation-fragments/src/test/kotlin/dev/hotwire/navigation/views/TurboViewTest.kt
similarity index 100%
rename from navigation-fragments/src/test/java/dev/hotwire/navigation/views/TurboViewTest.kt
rename to navigation-fragments/src/test/kotlin/dev/hotwire/navigation/views/TurboViewTest.kt