diff --git a/Launcher/source-authlib/yggdrasil/YggdrasilAuthenticationService.java b/Launcher/source-authlib/yggdrasil/YggdrasilAuthenticationService.java
index d30bfde..53ebe91 100644
--- a/Launcher/source-authlib/yggdrasil/YggdrasilAuthenticationService.java
+++ b/Launcher/source-authlib/yggdrasil/YggdrasilAuthenticationService.java
@@ -9,7 +9,7 @@
 import com.mojang.authlib.minecraft.MinecraftSessionService;
 import launcher.helper.LogHelper;
 
-public final class YggdrasilAuthenticationService implements AuthenticationService {
+public class YggdrasilAuthenticationService implements AuthenticationService {
     @SuppressWarnings("UnusedParameters")
     public YggdrasilAuthenticationService(Proxy proxy, String clientToken) {
         LogHelper.debug("Patched AuthenticationService created: '%s'", clientToken);
diff --git a/Launcher/source-authlib/yggdrasil/YggdrasilGameProfileRepository.java b/Launcher/source-authlib/yggdrasil/YggdrasilGameProfileRepository.java
index 1232bad..8b8081f 100644
--- a/Launcher/source-authlib/yggdrasil/YggdrasilGameProfileRepository.java
+++ b/Launcher/source-authlib/yggdrasil/YggdrasilGameProfileRepository.java
@@ -12,7 +12,7 @@
 import launcher.helper.VerifyHelper;
 import launcher.request.uuid.BatchProfileByUsernameRequest;
 
-public final class YggdrasilGameProfileRepository implements GameProfileRepository {
+public class YggdrasilGameProfileRepository implements GameProfileRepository {
     private static final long BUSY_WAIT_MS = VerifyHelper.verifyLong(
         Long.parseLong(System.getProperty("launcher.authlib.busyWait", Long.toString(100L))),
         VerifyHelper.L_NOT_NEGATIVE, "launcher.authlib.busyWait can't be < 0");
@@ -24,6 +24,10 @@
         LogHelper.debug("Patched GameProfileRepository created");
     }
 
+    public YggdrasilGameProfileRepository(YggdrasilAuthenticationService authenticationService) {
+        this();
+    }
+
     @Override
     public void findProfilesByNames(String[] usernames, Agent agent, ProfileLookupCallback callback) {
         int offset = 0;
diff --git a/Launcher/source-authlib/yggdrasil/YggdrasilMinecraftSessionService.java b/Launcher/source-authlib/yggdrasil/YggdrasilMinecraftSessionService.java
index b46d3b5..1bee302 100644
--- a/Launcher/source-authlib/yggdrasil/YggdrasilMinecraftSessionService.java
+++ b/Launcher/source-authlib/yggdrasil/YggdrasilMinecraftSessionService.java
@@ -28,7 +28,7 @@
 import launcher.request.auth.JoinServerRequest;
 import launcher.request.uuid.ProfileByUUIDRequest;
 
-public final class YggdrasilMinecraftSessionService extends BaseMinecraftSessionService {
+public class YggdrasilMinecraftSessionService extends BaseMinecraftSessionService {
     public static final JsonParser JSON_PARSER = new JsonParser();
     public static final boolean NO_TEXTURES = Boolean.parseBoolean("launcher.authlib.noTextures");
 
@@ -37,6 +37,10 @@
         LogHelper.debug("Patched MinecraftSessionService created");
     }
 
+    public YggdrasilMinecraftSessionService(YggdrasilAuthenticationService service) {
+        this((AuthenticationService) service);
+    }
+
     @Override
     public GameProfile fillProfileProperties(GameProfile profile, boolean requireSecure) {
         // Verify has UUID