diff --git a/test/dorkboxTest/network/kryo/InputOutputByteBufTest.java b/test/dorkboxTest/network/kryo/InputOutputByteBufTest.kt
similarity index 100%
rename from test/dorkboxTest/network/kryo/InputOutputByteBufTest.java
rename to test/dorkboxTest/network/kryo/InputOutputByteBufTest.kt
diff --git a/test/dorkboxTest/network/kryo/KryoAssert.java b/test/dorkboxTest/network/kryo/KryoAssert.kt
similarity index 100%
rename from test/dorkboxTest/network/kryo/KryoAssert.java
rename to test/dorkboxTest/network/kryo/KryoAssert.kt
diff --git a/test/dorkboxTest/network/kryo/KryoTestCase.java b/test/dorkboxTest/network/kryo/KryoTestCase.kt
similarity index 100%
rename from test/dorkboxTest/network/kryo/KryoTestCase.java
rename to test/dorkboxTest/network/kryo/KryoTestCase.kt