diff --git a/common/src/main/java/net/lionarius/skinrestorer/util/PlayerUtils.java b/common/src/main/java/net/lionarius/skinrestorer/util/PlayerUtils.java
index 7b3985d..ec59754 100644
--- a/common/src/main/java/net/lionarius/skinrestorer/util/PlayerUtils.java
+++ b/common/src/main/java/net/lionarius/skinrestorer/util/PlayerUtils.java
@@ -91,7 +91,7 @@ public final class PlayerUtils {
     
     public static void sendActivePlayerEffects(ServerPlayer player) {
         for (var effect : player.getActiveEffects()) {
-            player.connection.send(new ClientboundUpdateMobEffectPacket(player.getId(), effect, false));
+            player.connection.send(new ClientboundUpdateMobEffectPacket(player.getId(), effect));
         }
     }
     
diff --git a/forge/build.gradle b/forge/build.gradle
index 7fb5ceb..2b2e2e7 100644
--- a/forge/build.gradle
+++ b/forge/build.gradle
@@ -20,8 +20,6 @@ minecraft {
 
     copyIdeResources = true //Calls processResources when in dev
 
-    reobf = false // Forge 1.20.6+ uses official mappings at runtime, so we shouldn't reobf from official to SRG
-
     // Automatically enable forge AccessTransformers if the file exists
     // This location is hardcoded in Forge and can not be changed.
     // https://github.com/MinecraftForge/MinecraftForge/blob/be1698bb1554f9c8fa2f58e32b9ab70bc4385e60/fmlloader/src/main/java/net/minecraftforge/fml/loading/moddiscovery/ModFile.java#L123
diff --git a/gradle.properties b/gradle.properties
index 1ab35b3..92fecc9 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -3,12 +3,12 @@
 
 # Project
 group=net.lionarius.skinrestorer
-java_version=21
+java_version=17
 
 # Common
-minecraft_version=1.20.5
-minecraft_version_list=1.20.5,1.20.6
-minecraft_version_range=[1.20.5,1.20.6]
+minecraft_version=1.20.3
+minecraft_version_list=1.20.3,1.20.4
+minecraft_version_range=[1.20.3,1.20.4]
 mod_id=skinrestorer
 mod_name=SkinRestorer
 mod_version=2.0.2
@@ -21,21 +21,21 @@ credits=
 description=A server-side mod for managing skins.
 
 # ParchmentMC mappings, see https://parchmentmc.org/docs/getting-started#choose-a-version for new versions
-parchment_minecraft=1.20.6
-parchment_version=2024.06.16
+parchment_minecraft=1.20.3
+parchment_version=2023.12.31
 
 # Fabric, see https://fabricmc.net/develop/ for new versions
 fabric_loader_version=0.15.0
 
 # Forge, see https://files.minecraftforge.net/net/minecraftforge/forge/ for new versions
-forge_version=50.0.0
-forge_loader_version_range=[50,)
+forge_version=49.0.1
+forge_loader_version_range=[49,)
 # Forge sometimes skips minor minecraft versions (like 1.20.5)
-forge_minecraft_version=1.20.6
+forge_minecraft_version=1.20.3
 
 # NeoForge, see https://projects.neoforged.net/neoforged/neoforge for new versions
-neoforge_version=20.5.0-beta
-neoforge_loader_version_range=[3,)
+neoforge_version=20.3.1-beta
+neoforge_loader_version_range=[1,)
 
 # Publishing
 curseforge_id=443823
diff --git a/neoforge/src/main/java/net/lionarius/skinrestorer/neoforge/SkinRestorerNeoForge.java b/neoforge/src/main/java/net/lionarius/skinrestorer/neoforge/SkinRestorerNeoForge.java
index 320bed9..aae33c0 100644
--- a/neoforge/src/main/java/net/lionarius/skinrestorer/neoforge/SkinRestorerNeoForge.java
+++ b/neoforge/src/main/java/net/lionarius/skinrestorer/neoforge/SkinRestorerNeoForge.java
@@ -3,7 +3,6 @@ package net.lionarius.skinrestorer.neoforge;
 import net.lionarius.skinrestorer.SkinRestorer;
 import net.lionarius.skinrestorer.command.SkinCommand;
 import net.neoforged.bus.api.SubscribeEvent;
-import net.neoforged.fml.common.EventBusSubscriber;
 import net.neoforged.fml.common.Mod;
 import net.neoforged.fml.loading.FMLPaths;
 import net.neoforged.neoforge.common.NeoForge;
@@ -11,7 +10,7 @@ import net.neoforged.neoforge.event.RegisterCommandsEvent;
 import net.neoforged.neoforge.event.server.ServerStartedEvent;
 
 @Mod(SkinRestorer.MOD_ID)
-@EventBusSubscriber(modid = SkinRestorer.MOD_ID)
+@Mod.EventBusSubscriber(modid = SkinRestorer.MOD_ID)
 public final class SkinRestorerNeoForge {
     
     public SkinRestorerNeoForge() {
diff --git a/neoforge/src/main/resources/META-INF/neoforge.mods.toml b/neoforge/src/main/resources/META-INF/mods.toml
similarity index 94%
rename from neoforge/src/main/resources/META-INF/neoforge.mods.toml
rename to neoforge/src/main/resources/META-INF/mods.toml
index 83adf48..d3ab250 100644
--- a/neoforge/src/main/resources/META-INF/neoforge.mods.toml
+++ b/neoforge/src/main/resources/META-INF/mods.toml
@@ -17,14 +17,14 @@ config = "${mod_id}.mixins.json"
 
 [[dependencies.${mod_id}]]
 modId = "neoforge"
-type = "required"
+mandatory = true
 versionRange = "[${neoforge_version},)"
 ordering = "NONE"
 side = "BOTH"
 
 [[dependencies.${mod_id}]]
 modId = "minecraft"
-type = "required"
+mandatory = true
 versionRange = "${minecraft_version_range}"
 ordering = "NONE"
 side = "BOTH"