diff --git a/buildSrc/src/main/kotlin/Versions.kt b/buildSrc/src/main/kotlin/Versions.kt
index bd3ac8cf..423f7ec0 100644
--- a/buildSrc/src/main/kotlin/Versions.kt
+++ b/buildSrc/src/main/kotlin/Versions.kt
@@ -1,7 +1,7 @@
 object Versions {
 
     // Keep this version for best compatibility.
-    const val PAPER_API = "1.19.3-R0.1-SNAPSHOT"
+    const val PAPER_API = "1.20.4-R0.1-SNAPSHOT"
 
     const val JUNIT_JUPITER_API = "6.1.0"
     const val JUNIT_JUPITER_PARAMS = "6.1.0"
diff --git a/eternalcombat-plugin/build.gradle.kts b/eternalcombat-plugin/build.gradle.kts
index 1b9e66aa..454d94b4 100644
--- a/eternalcombat-plugin/build.gradle.kts
+++ b/eternalcombat-plugin/build.gradle.kts
@@ -71,7 +71,7 @@ dependencies {
 paper {
     main = "com.eternalcode.combat.CombatPlugin"
     authors = listOf("EternalCodeTeam")
-    apiVersion = "1.19"
+    apiVersion = "1.20.4"
     prefix = "EternalCombat"
     name = "EternalCombat"
     generateLibrariesJson = true
diff --git a/eternalcombat-plugin/src/main/java/com/eternalcode/combat/fight/knockback/KnockbackRegionController.java b/eternalcombat-plugin/src/main/java/com/eternalcode/combat/fight/knockback/KnockbackRegionController.java
index 109e8cd7..1e797998 100644
--- a/eternalcombat-plugin/src/main/java/com/eternalcode/combat/fight/knockback/KnockbackRegionController.java
+++ b/eternalcombat-plugin/src/main/java/com/eternalcode/combat/fight/knockback/KnockbackRegionController.java
@@ -14,10 +14,10 @@
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
+import org.bukkit.event.entity.EntityMountEvent;
 import org.bukkit.event.player.PlayerMoveEvent;
 import org.bukkit.event.player.PlayerTeleportEvent;
 import org.bukkit.event.vehicle.VehicleMoveEvent;
-import org.spigotmc.event.entity.EntityMountEvent;
 
 public class KnockbackRegionController implements Listener {