diff --git a/src/main/java/com/indexzero/finals/config/SecurityConfig.java b/src/main/java/com/indexzero/finals/config/SecurityConfig.java
index 171298b..112eccb 100644
--- a/src/main/java/com/indexzero/finals/config/SecurityConfig.java
+++ b/src/main/java/com/indexzero/finals/config/SecurityConfig.java
@@ -4,7 +4,9 @@ import com.indexzero.finals.service.impl.UserDetailsServiceImpl;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.security.authentication.AuthenticationManager;
 import org.springframework.security.authentication.AuthenticationProvider;
+import org.springframework.security.authentication.ProviderManager;
 import org.springframework.security.authentication.dao.DaoAuthenticationProvider;
 import org.springframework.security.config.Customizer;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
@@ -61,11 +63,11 @@ public class SecurityConfig {
     }
 
     @Bean
-    public AuthenticationProvider authenticationProvider(){
+    public AuthenticationManager authenticationManager(){
         DaoAuthenticationProvider provider = new DaoAuthenticationProvider();
         provider.setUserDetailsService(userDetailsService);
         provider.setPasswordEncoder(passwordEncoder());
-        return provider;
+        return new ProviderManager(provider);
     }
 
     @Bean
diff --git a/src/main/resources/db.changelog/1.0/2024-10-20--0001-code.xml b/src/main/resources/db.changelog/1.0/2024-10-20--0001-code.xml
index 9dd14c7..411b754 100644
--- a/src/main/resources/db.changelog/1.0/2024-10-20--0001-code.xml
+++ b/src/main/resources/db.changelog/1.0/2024-10-20--0001-code.xml
@@ -5,7 +5,7 @@
                    xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.0.xsd
         http://www.liquibase.org/xml/ns/dbchangelog-ext http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd">
 
-    <changeSet id="2024-10-20--0001-code-03" author="anepretimov">
+    <changeSet id="2024-10-20--0001-code-03" author="okalugin">
 
         <preConditions onFail="MARK_RAN">
             <not>
diff --git a/src/main/resources/db.changelog/data/2024-10-20--0001-code-data.xml b/src/main/resources/db.changelog/data/2024-10-20--0001-code-data.xml
index 9eecdd4..5f7af7a 100644
--- a/src/main/resources/db.changelog/data/2024-10-20--0001-code-data.xml
+++ b/src/main/resources/db.changelog/data/2024-10-20--0001-code-data.xml
@@ -5,7 +5,7 @@
                    xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.0.xsd
         http://www.liquibase.org/xml/ns/dbchangelog-ext http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd">
 
-    <changeSet id="2024-10-20--0001-code-data-02" author="anepretimov">
+    <changeSet id="2024-10-20--0001-code-data-02" author="okalugin">
         <loadData tableName="code" file="db.changelog/data/csv/2024-10-20--0001-code-data.csv"
                   separator=";"
                   quotchar='"'
diff --git a/src/main/resources/db.changelog/data/2024-10-20--0002-employee-data.xml b/src/main/resources/db.changelog/data/2024-10-20--0002-employee-data.xml
index 1fb53f5..db74d7d 100644
--- a/src/main/resources/db.changelog/data/2024-10-20--0002-employee-data.xml
+++ b/src/main/resources/db.changelog/data/2024-10-20--0002-employee-data.xml
@@ -5,7 +5,7 @@
                    xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.0.xsd
         http://www.liquibase.org/xml/ns/dbchangelog-ext http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd">
 
-    <changeSet id="2024-10-20--0002-employee-data" author="anepretimov">
+    <changeSet id="2024-10-20--0002-employee-data" author="okalugin">
         <loadData tableName="employee" file="db.changelog/data/csv/2024-10-20--0002-employee-data.csv"
                   separator=";"
                   quotchar='"'