diff --git a/build.gradle b/build.gradle
index 77e882c..5ca68b8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -47,6 +47,7 @@ processResources {
 		expand "version": project.version
 
 		filter { line -> line.replace("@mc_version@", project.minecraft_version) }
+		filter { line -> line.replace("@gh_hash@", System.getenv("GITHUB_SHA") ?: "unknown") }
 	}
 }
 
diff --git a/src/main/java/anticope/rejects/mixin/TitleScreenMixin.java b/src/main/java/anticope/rejects/mixin/TitleScreenMixin.java
new file mode 100644
index 0000000..cce67ad
--- /dev/null
+++ b/src/main/java/anticope/rejects/mixin/TitleScreenMixin.java
@@ -0,0 +1,25 @@
+package anticope.rejects.mixin;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+import net.minecraft.client.gui.screen.TitleScreen;
+import net.minecraft.client.util.math.MatrixStack;
+
+import anticope.rejects.utils.RejectsConfig;
+import anticope.rejects.utils.UpdateUtil;
+import meteordevelopment.meteorclient.utils.network.MeteorExecutor;
+
+@Mixin(value = TitleScreen.class)
+public class TitleScreenMixin {
+    @Inject(method = "render", at = @At("TAIL"))
+    private void onRender(MatrixStack matrices, int mouseX, int mouseY, float delta, CallbackInfo info) {
+        if (RejectsConfig.get().checkForUpdates) {
+            MeteorExecutor.execute(() -> {
+                UpdateUtil.checkUpdate();
+            });
+        }
+    }
+}
diff --git a/src/main/java/anticope/rejects/utils/ConfigModifier.java b/src/main/java/anticope/rejects/utils/ConfigModifier.java
index 06ca2ee..846f195 100644
--- a/src/main/java/anticope/rejects/utils/ConfigModifier.java
+++ b/src/main/java/anticope/rejects/utils/ConfigModifier.java
@@ -1,5 +1,6 @@
 package anticope.rejects.utils;
 
+import meteordevelopment.meteorclient.settings.BoolSetting;
 import meteordevelopment.meteorclient.settings.EnumSetting;
 import meteordevelopment.meteorclient.settings.ModuleListSetting;
 import meteordevelopment.meteorclient.settings.Setting;
@@ -33,6 +34,14 @@ public class ConfigModifier {
             .build()
     );
 
+    public final Setting<Boolean> checkForUpdates = sgRejects.add(new BoolSetting.Builder()
+            .name("check-for-updates")
+            .description("Show toast on title screen when new update is available.")
+            .defaultValue(RejectsConfig.get().checkForUpdates)
+            .onChanged(v -> RejectsConfig.get().checkForUpdates = v)
+            .build()
+    );
+
     public static ConfigModifier get() {
         if (INSTANCE == null) INSTANCE = new ConfigModifier();
         return INSTANCE;
diff --git a/src/main/java/anticope/rejects/utils/RejectsConfig.java b/src/main/java/anticope/rejects/utils/RejectsConfig.java
index 5afdd14..4645483 100644
--- a/src/main/java/anticope/rejects/utils/RejectsConfig.java
+++ b/src/main/java/anticope/rejects/utils/RejectsConfig.java
@@ -28,6 +28,7 @@ public class RejectsConfig extends System<RejectsConfig> {
     }
 
     public HttpAllowed httpAllowed = HttpAllowed.Everything;
+    public boolean checkForUpdates = true;
     public Set<String> hiddenModules = new HashSet<String>();
 
     public RejectsConfig() {
@@ -65,6 +66,7 @@ public class RejectsConfig extends System<RejectsConfig> {
     public NbtCompound toTag() {
         NbtCompound tag = new NbtCompound();
         tag.putString("httpAllowed", httpAllowed.toString());
+        tag.putBoolean("checkForUpdates", checkForUpdates);
 
         NbtList modulesTag = new NbtList();
         for (String module : hiddenModules) modulesTag.add(NbtString.of(module));
@@ -76,6 +78,7 @@ public class RejectsConfig extends System<RejectsConfig> {
     @Override
     public RejectsConfig fromTag(NbtCompound tag) {
         httpAllowed = HttpAllowed.valueOf(tag.getString("httpAllowed"));
+        checkForUpdates = !tag.contains("checkForUpdates") || tag.getBoolean("checkForUpdates");
 
         NbtList valueTag = tag.getList("hiddenModules", 8);
         for (NbtElement tagI : valueTag) {
diff --git a/src/main/java/anticope/rejects/utils/UpdateUtil.java b/src/main/java/anticope/rejects/utils/UpdateUtil.java
new file mode 100644
index 0000000..12ec611
--- /dev/null
+++ b/src/main/java/anticope/rejects/utils/UpdateUtil.java
@@ -0,0 +1,36 @@
+package anticope.rejects.utils;
+
+import com.google.gson.JsonObject;
+import net.minecraft.item.Items;
+
+import net.fabricmc.loader.api.FabricLoader;
+import anticope.rejects.MeteorRejectsAddon;
+import meteordevelopment.meteorclient.utils.network.Http;
+import meteordevelopment.meteorclient.utils.render.MeteorToast;
+
+import static meteordevelopment.meteorclient.MeteorClient.mc;
+
+public class UpdateUtil {
+    private static boolean firstTimeTitleScreen = true;
+    private static final String TAGNAME = "latest-1.18";
+
+    public static void checkUpdate() {
+        if (!firstTimeTitleScreen) return;
+        firstTimeTitleScreen = false;
+
+        MeteorRejectsAddon.LOG.info("Checking for Meteor Rejects update...");
+        
+        String gitHash = FabricLoader
+            .getInstance()
+            .getModContainer("meteor-rejects")
+            .get().getMetadata()
+            .getCustomValue("updater:sha")
+            .getAsString().trim();
+
+        JsonObject tag = Http.get("https://api.github.com/repos/AntiCope/meteor-rejects/git/ref/tags/"+TAGNAME).sendJson(JsonObject.class);
+        if (tag.get("object").getAsJsonObject().get("sha").getAsString().trim() == gitHash) return;
+
+        mc.getToastManager().add(new MeteorToast(Items.BARRIER, "New Rejects update.", "Download it from Github", 8000));
+    }
+
+}
diff --git a/src/main/java/anticope/rejects/utils/seeds/Seeds.java b/src/main/java/anticope/rejects/utils/seeds/Seeds.java
index 986ef73..172108d 100644
--- a/src/main/java/anticope/rejects/utils/seeds/Seeds.java
+++ b/src/main/java/anticope/rejects/utils/seeds/Seeds.java
@@ -93,7 +93,7 @@ public class Seeds extends System<Seeds> {
         try {
             return Long.parseLong(inSeed);
         } catch (NumberFormatException e) {
-            return inSeed.hashCode();
+            return inSeed.strip().hashCode();
         }
     }
 
diff --git a/src/main/resources/fabric.mod.json b/src/main/resources/fabric.mod.json
index aa41a67..44b6827 100644
--- a/src/main/resources/fabric.mod.json
+++ b/src/main/resources/fabric.mod.json
@@ -28,7 +28,8 @@
     "meteor-rejects-meteor.mixins.json"
   ],
   "custom": {
-    "meteor-client:color": "227,0,0"
+    "meteor-client:color": "227,0,0",
+    "updater:sha": "@gh_hash@"
   },
   "depends": {
     "java": ">=16",
diff --git a/src/main/resources/meteor-rejects.mixins.json b/src/main/resources/meteor-rejects.mixins.json
index dc8b3c1..31db31f 100644
--- a/src/main/resources/meteor-rejects.mixins.json
+++ b/src/main/resources/meteor-rejects.mixins.json
@@ -12,7 +12,8 @@
     "LivingEntityRendererMixin",
     "MinecraftClientMixin",
     "StructureVoidBlockMixin",
-    "ToastManagerMixin"
+    "ToastManagerMixin",
+    "TitleScreenMixin"
   ],
   "injectors": {
     "defaultRequire": 1