diff --git a/example/pom.xml b/example/pom.xml
index 23b304a..595bdd6 100644
--- a/example/pom.xml
+++ b/example/pom.xml
@@ -26,7 +26,7 @@
 			<dependency>
 				<groupId>it.tdlight</groupId>
 				<artifactId>tdlight-java-bom</artifactId>
-				<version>2.8.5.3</version>
+				<version>2.8.5.5</version>
 				<type>pom</type>
 				<scope>import</scope>
 			</dependency>
diff --git a/src/main/java/it/tdlight/client/AuthorizationStateWaitEncryptionKeyHandler.java b/src/main/java/it/tdlight/client/AuthorizationStateWaitEncryptionKeyHandler.java
deleted file mode 100644
index 1125f32..0000000
--- a/src/main/java/it/tdlight/client/AuthorizationStateWaitEncryptionKeyHandler.java
+++ /dev/null
@@ -1,30 +0,0 @@
-package it.tdlight.client;
-
-import it.tdlight.common.ExceptionHandler;
-import it.tdlight.common.TelegramClient;
-import it.tdlight.jni.TdApi;
-import it.tdlight.jni.TdApi.AuthorizationStateWaitEncryptionKey;
-import it.tdlight.jni.TdApi.CheckDatabaseEncryptionKey;
-import it.tdlight.jni.TdApi.UpdateAuthorizationState;
-
-final class AuthorizationStateWaitEncryptionKeyHandler implements GenericUpdateHandler<UpdateAuthorizationState> {
-
-	private final TelegramClient client;
-	private final ExceptionHandler exceptionHandler;
-
-	public AuthorizationStateWaitEncryptionKeyHandler(TelegramClient client, ExceptionHandler exceptionHandler) {
-		this.client = client;
-		this.exceptionHandler = exceptionHandler;
-	}
-
-	@Override
-	public void onUpdate(UpdateAuthorizationState update) {
-		if (update.authorizationState.getConstructor() == AuthorizationStateWaitEncryptionKey.CONSTRUCTOR) {
-			client.send(new CheckDatabaseEncryptionKey(), ok -> {
-				if (ok.getConstructor() == TdApi.Error.CONSTRUCTOR) {
-					throw new TelegramError((TdApi.Error) ok);
-				}
-			}, exceptionHandler);
-		}
-	}
-}
diff --git a/src/main/java/it/tdlight/client/AuthorizationStateWaitTdlibParametersHandler.java b/src/main/java/it/tdlight/client/AuthorizationStateWaitTdlibParametersHandler.java
index 624302f..41f89c6 100644
--- a/src/main/java/it/tdlight/client/AuthorizationStateWaitTdlibParametersHandler.java
+++ b/src/main/java/it/tdlight/client/AuthorizationStateWaitTdlibParametersHandler.java
@@ -5,7 +5,6 @@ import it.tdlight.common.TelegramClient;
 import it.tdlight.jni.TdApi;
 import it.tdlight.jni.TdApi.AuthorizationStateWaitTdlibParameters;
 import it.tdlight.jni.TdApi.SetTdlibParameters;
-import it.tdlight.jni.TdApi.TdlibParameters;
 import it.tdlight.jni.TdApi.UpdateAuthorizationState;
 
 final class AuthorizationStateWaitTdlibParametersHandler implements GenericUpdateHandler<UpdateAuthorizationState> {
@@ -25,7 +24,7 @@ final class AuthorizationStateWaitTdlibParametersHandler implements GenericUpdat
 	@Override
 	public void onUpdate(UpdateAuthorizationState update) {
 		if (update.authorizationState.getConstructor() == AuthorizationStateWaitTdlibParameters.CONSTRUCTOR) {
-			TdlibParameters params = new TdlibParameters();
+			TdApi.SetTdlibParameters params = new TdApi.SetTdlibParameters();
 			params.useTestDc = settings.isUsingTestDatacenter();
 			params.databaseDirectory = settings.getDatabaseDirectoryPath().toString();
 			params.filesDirectory = settings.getDownloadedFilesDirectoryPath().toString();
@@ -41,7 +40,8 @@ final class AuthorizationStateWaitTdlibParametersHandler implements GenericUpdat
 			params.applicationVersion = settings.getApplicationVersion();
 			params.enableStorageOptimizer = settings.isStorageOptimizerEnabled();
 			params.ignoreFileNames = settings.isIgnoreFileNames();
-			client.send(new SetTdlibParameters(params), ok -> {
+			params.databaseEncryptionKey = null;
+			client.send(params, ok -> {
 				if (ok.getConstructor() == TdApi.Error.CONSTRUCTOR) {
 					throw new TelegramError((TdApi.Error) ok);
 				}
diff --git a/src/main/java/it/tdlight/client/SimpleTelegramClient.java b/src/main/java/it/tdlight/client/SimpleTelegramClient.java
index 0f16bf3..9460150 100644
--- a/src/main/java/it/tdlight/client/SimpleTelegramClient.java
+++ b/src/main/java/it/tdlight/client/SimpleTelegramClient.java
@@ -70,9 +70,6 @@ public final class SimpleTelegramClient implements Authenticable {
 		this.addUpdateHandler(TdApi.UpdateAuthorizationState.class,
 				new AuthorizationStateWaitTdlibParametersHandler(client, settings, this::handleDefaultException)
 		);
-		this.addUpdateHandler(TdApi.UpdateAuthorizationState.class,
-				new AuthorizationStateWaitEncryptionKeyHandler(client, this::handleDefaultException)
-		);
 		this.addUpdateHandler(TdApi.UpdateAuthorizationState.class,
 				new AuthorizationStateWaitAuthenticationDataHandler(client, this, this::handleDefaultException)
 		);
diff --git a/tdlight/pom.xml b/tdlight/pom.xml
index 452b352..4574e0b 100644
--- a/tdlight/pom.xml
+++ b/tdlight/pom.xml
@@ -56,7 +56,7 @@
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-api</artifactId>
-			<version>2.0.0</version>
+			<version>2.0.3</version>
 		</dependency>
 		<dependency>
 			<groupId>org.reactivestreams</groupId>