diff --git a/bdk-kotlin/android/src/androidTest/java/org/bitcoindevkit/bdk/AndroidLibTest.kt b/bdk-kotlin/android/src/androidTest/kotlin/org/bitcoindevkit/bdk/AndroidLibTest.kt
similarity index 100%
rename from bdk-kotlin/android/src/androidTest/java/org/bitcoindevkit/bdk/AndroidLibTest.kt
rename to bdk-kotlin/android/src/androidTest/kotlin/org/bitcoindevkit/bdk/AndroidLibTest.kt
diff --git a/bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/BlockchainConfig.kt b/bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/BlockchainConfig.kt
similarity index 100%
rename from bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/BlockchainConfig.kt
rename to bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/BlockchainConfig.kt
diff --git a/bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/DatabaseConfig.kt b/bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/DatabaseConfig.kt
similarity index 100%
rename from bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/DatabaseConfig.kt
rename to bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/DatabaseConfig.kt
diff --git a/bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/FfiResult.kt b/bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/FfiResult.kt
similarity index 100%
rename from bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/FfiResult.kt
rename to bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/FfiResult.kt
diff --git a/bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/JnaError.kt b/bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/JnaError.kt
similarity index 100%
rename from bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/JnaError.kt
rename to bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/JnaError.kt
diff --git a/bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/JnaException.kt b/bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/JnaException.kt
similarity index 100%
rename from bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/JnaException.kt
rename to bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/JnaException.kt
diff --git a/bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/LibBase.kt b/bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/LibBase.kt
similarity index 100%
rename from bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/LibBase.kt
rename to bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/LibBase.kt
diff --git a/bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/LibJna.kt b/bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/LibJna.kt
similarity index 100%
rename from bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/LibJna.kt
rename to bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/LibJna.kt
diff --git a/bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/Result.kt b/bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/Result.kt
similarity index 100%
rename from bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/Result.kt
rename to bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/Result.kt
diff --git a/bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/ResultBase.kt b/bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/ResultBase.kt
similarity index 100%
rename from bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/ResultBase.kt
rename to bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/ResultBase.kt
diff --git a/bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/StringResult.kt b/bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/StringResult.kt
similarity index 100%
rename from bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/StringResult.kt
rename to bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/StringResult.kt
diff --git a/bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/VecLocalUtxoResult.kt b/bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/VecLocalUtxoResult.kt
similarity index 100%
rename from bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/VecLocalUtxoResult.kt
rename to bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/VecLocalUtxoResult.kt
diff --git a/bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/VoidResult.kt b/bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/VoidResult.kt
similarity index 100%
rename from bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/VoidResult.kt
rename to bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/VoidResult.kt
diff --git a/bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/Wallet.kt b/bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/Wallet.kt
similarity index 100%
rename from bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/Wallet.kt
rename to bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/Wallet.kt
diff --git a/bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/WalletResult.kt b/bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/WalletResult.kt
similarity index 100%
rename from bdk-kotlin/jvm/src/main/java/org/bitcoindevkit/bdk/WalletResult.kt
rename to bdk-kotlin/jvm/src/main/kotlin/org/bitcoindevkit/bdk/WalletResult.kt
diff --git a/bdk-kotlin/jvm/src/test/java/org/bitcoindevkit/bdk/JvmLibTest.kt b/bdk-kotlin/jvm/src/test/kotlin/org/bitcoindevkit/bdk/JvmLibTest.kt
similarity index 100%
rename from bdk-kotlin/jvm/src/test/java/org/bitcoindevkit/bdk/JvmLibTest.kt
rename to bdk-kotlin/jvm/src/test/kotlin/org/bitcoindevkit/bdk/JvmLibTest.kt
diff --git a/bdk-kotlin/test-fixtures/src/main/java/org/bitcoindevkit/bdk/LibTest.kt b/bdk-kotlin/test-fixtures/src/main/kotlin/org/bitcoindevkit/bdk/LibTest.kt
similarity index 100%
rename from bdk-kotlin/test-fixtures/src/main/java/org/bitcoindevkit/bdk/LibTest.kt
rename to bdk-kotlin/test-fixtures/src/main/kotlin/org/bitcoindevkit/bdk/LibTest.kt