diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/auth/core/JsonCoreProvider.java b/LaunchServer/src/main/java/pro/gravit/launchserver/auth/core/JsonCoreProvider.java
index 74b8ffc3..5cb8e255 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/auth/core/JsonCoreProvider.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/auth/core/JsonCoreProvider.java
@@ -58,7 +58,7 @@ public static <T, R> R jsonRequest(T request, String url, String bearerToken, Cl
                     .header("Accept", "application/json")
                     .timeout(Duration.ofMillis(10000));
             if (bearerToken != null) {
-                request1.header("Authentication", "Bearer ".concat(bearerToken));
+                request1.header("Authorization", "Bearer ".concat(bearerToken));
             }
             HttpResponse<InputStream> response = client.send(request1.build(), HttpResponse.BodyHandlers.ofInputStream());
             int statusCode = response.statusCode();
diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/socket/Client.java b/LaunchServer/src/main/java/pro/gravit/launchserver/socket/Client.java
index 87b51c43..36c3d8eb 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/socket/Client.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/socket/Client.java
@@ -81,7 +81,7 @@ public String getSerializableProperty(String name) {
 
     public void setSerializableProperty(String name, String value) {
         if (serializableProperties == null) serializableProperties = new HashMap<>();
-        properties.put(name, value);
+        serializableProperties.put(name, value);
     }
 
     public pro.gravit.launchserver.auth.core.User getUser() {
diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/socket/handlers/NettyWebAPIHandler.java b/LaunchServer/src/main/java/pro/gravit/launchserver/socket/handlers/NettyWebAPIHandler.java
index 33f49a64..b9603131 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/socket/handlers/NettyWebAPIHandler.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/socket/handlers/NettyWebAPIHandler.java
@@ -12,7 +12,7 @@
 import pro.gravit.utils.helper.IOHelper;
 
 import java.net.URLDecoder;
-import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 import java.util.Comparator;
 import java.util.HashMap;
 import java.util.Map;
@@ -86,7 +86,7 @@ default Map<String, String> getParamsFromUri(String uri) {
             String[] result = sub.split("&");
             Map<String, String> map = new HashMap<>();
             for (String s : result) {
-                String c = URLDecoder.decode(s, Charset.defaultCharset());
+                String c = URLDecoder.decode(s, StandardCharsets.UTF_8);
                 int index = c.indexOf("=");
                 if (index <= 0) {
                     continue;
diff --git a/LauncherCore/src/main/java/pro/gravit/utils/Version.java b/LauncherCore/src/main/java/pro/gravit/utils/Version.java
index 72cdaab5..42a215f8 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 = 2;
-    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 13f094e7..ac0b4769 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@
     id 'org.openjfx.javafxplugin' version '0.0.8' apply false
 }
 group = 'pro.gravit.launcher'
-version = '5.2.0'
+version = '5.2.1'
 
 apply from: 'props.gradle'
 
diff --git a/modules b/modules
index 9407d4bc..84a55992 160000
--- a/modules
+++ b/modules
@@ -1 +1 @@
-Subproject commit 9407d4bcd90f282969433d29b7598372f56917b9
+Subproject commit 84a5599243bddf0f7a8081cc7f5672e9140893bd