diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/src/main/scala/de/tobias/playpad/server/json/DurationSerializerHandler.scala b/src/main/scala/de/tobias/playpad/server/json/DurationSerializerHandler.scala
index 8b10f50166495b31d9dab68e4b5e6bf15eb67c5c..0c9c941286f441383405675a6f5cf313b5a77a80 100644
--- a/src/main/scala/de/tobias/playpad/server/json/DurationSerializerHandler.scala
+++ b/src/main/scala/de/tobias/playpad/server/json/DurationSerializerHandler.scala
@@ -1,7 +1,8 @@
 package de.tobias.playpad.server.json
 
+import java.time.Duration
+
 import com.google.gson.{JsonElement, JsonPrimitive}
-import javafx.util.Duration
 
 class DurationSerializerHandler extends SerializerHandler {
 	override def serialize(value: Any): JsonPrimitive = value match {
@@ -10,7 +11,7 @@ class DurationSerializerHandler extends SerializerHandler {
 	}
 
 	override def deserialize(jsonElement: JsonElement): Duration = jsonElement match {
-		case jsonPrimitive: JsonPrimitive => new Duration(jsonPrimitive.getAsInt)
+		case jsonPrimitive: JsonPrimitive => Duration.ofMillis(jsonPrimitive.getAsInt)
 		case _ => Duration.ZERO
 	}
 }
diff --git a/src/main/scala/de/tobias/playpad/server/project/settings/Fade.scala b/src/main/scala/de/tobias/playpad/server/project/settings/Fade.scala
index 2aa834fbc44ee06e3d3ea786722c26fee9e48e4b..ccc17bb20cb7d5da0bcb76acbf70b555a8412135 100644
--- a/src/main/scala/de/tobias/playpad/server/project/settings/Fade.scala
+++ b/src/main/scala/de/tobias/playpad/server/project/settings/Fade.scala
@@ -1,9 +1,9 @@
 package de.tobias.playpad.server.project.settings
 
+import java.time.Duration
 import java.util.UUID
 
 import de.tobias.playpad.server.json._
-import javafx.util.Duration
 
 class Fade {
 
diff --git a/src/main/scala/de/tobias/playpad/server/project/settings/PadSettings.scala b/src/main/scala/de/tobias/playpad/server/project/settings/PadSettings.scala
index f6564b58d9d707bf748c031594e754bb9078f869..639171ef20cd1011f093de6ae1903bd9cf0f3205 100644
--- a/src/main/scala/de/tobias/playpad/server/project/settings/PadSettings.scala
+++ b/src/main/scala/de/tobias/playpad/server/project/settings/PadSettings.scala
@@ -1,10 +1,10 @@
 package de.tobias.playpad.server.project.settings
 
+import java.time.Duration
 import java.util.UUID
 
 import de.tobias.playpad.server.json._
 import de.tobias.playpad.server.project.{Design, Pad}
-import javafx.util.Duration
 
 class PadSettings {