diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/config/LaunchServerConfig.java b/LaunchServer/src/main/java/pro/gravit/launchserver/config/LaunchServerConfig.java
index 3e759cc3..bbc7d86f 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/config/LaunchServerConfig.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/config/LaunchServerConfig.java
@@ -24,6 +24,7 @@
 import java.util.*;
 
 public final class LaunchServerConfig {
+    private final static List<String> oldMirrorList = List.of("https://mirror.gravit.pro/5.2.x/", "https://mirror.gravit.pro/5.3.x/", "https://mirror.gravitlauncher.com/5.2.x/", "https://mirror.gravitlauncher.com/5.3.x/");
     private transient final Logger logger = LogManager.getLogger();
     public String projectName;
     public String[] mirrors;
@@ -166,12 +167,9 @@ public void verify() {
             boolean updateMirror = Boolean.getBoolean("launchserver.config.disableUpdateMirror");
             if (!updateMirror) {
                 for (int i = 0; i < mirrors.length; ++i) {
-                    if ("https://mirror.gravit.pro/5.2.x/".equals(mirrors[i])) {
-                        logger.warn("Replace mirror 'https://mirror.gravit.pro/5.2.x/' to 'https://mirror.gravitlauncher.com/5.3.x/'. If you really need to use original url, use '-Dlaunchserver.config.disableUpdateMirror=true'");
-                        mirrors[i] = "https://mirror.gravitlauncher.com/5.3.x/";
-                    } else if ("https://mirror.gravit.pro/5.3.x/".equals(mirrors[i])) {
-                        logger.warn("Replace mirror 'https://mirror.gravit.pro/5.3.x/' to 'https://mirror.gravitlauncher.com/5.3.x/'. If you really need to use original url, use '-Dlaunchserver.config.disableUpdateMirror=true'");
-                        mirrors[i] = "https://mirror.gravitlauncher.com/5.3.x/";
+                    if (mirrors[i] != null && oldMirrorList.contains(mirrors[i])) {
+                        logger.warn("Replace mirror '{}' to 'https://mirror.gravitlauncher.com/5.4.x/'. If you really need to use original url, use '-Dlaunchserver.config.disableUpdateMirror=true'", mirrors[i]);
+                        mirrors[i] = "https://mirror.gravitlauncher.com/5.4.x/";
                     }
                 }
             }
diff --git a/LauncherCore/src/main/java/pro/gravit/utils/Version.java b/LauncherCore/src/main/java/pro/gravit/utils/Version.java
index d74be01d..f1b83844 100644
--- a/LauncherCore/src/main/java/pro/gravit/utils/Version.java
+++ b/LauncherCore/src/main/java/pro/gravit/utils/Version.java
@@ -6,7 +6,7 @@ public final class Version implements Comparable<Version> {
 
     public static final int MAJOR = 5;
     public static final int MINOR = 4;
-    public static final int PATCH = 0;
+    public static final int PATCH = 1;
     public static final int BUILD = 1;
     public static final Version.Type RELEASE = Type.STABLE;
     public final int major;
diff --git a/build.gradle b/build.gradle
index d2e54bea..adcbb69a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@
     id 'org.openjfx.javafxplugin' version '0.0.10' apply false
 }
 group = 'pro.gravit.launcher'
-version = '5.4.0'
+version = '5.4.1'
 
 apply from: 'props.gradle'