diff --git a/pom.xml b/pom.xml
index 93d1125..ce4727f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,17 +5,19 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.4.1</version>
+        <version>2.7.8</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
+
     <groupId>org.sadtech.example</groupId>
     <artifactId>swagger</artifactId>
     <version>0.0.1-SNAPSHOT</version>
+
     <name>swagger</name>
     <description>Demo project for Swagger</description>
 
     <properties>
-        <java.version>1.8</java.version>
+        <java.version>17</java.version>
     </properties>
 
     <dependencies>
@@ -27,12 +29,12 @@
         <dependency>
             <groupId>io.swagger.core.v3</groupId>
             <artifactId>swagger-annotations</artifactId>
-            <version>2.1.6</version>
+            <version>2.2.8</version>
         </dependency>
         <dependency>
             <groupId>org.springdoc</groupId>
             <artifactId>springdoc-openapi-ui</artifactId>
-            <version>1.5.2</version>
+            <version>1.6.14</version>
         </dependency>
     </dependencies>
 
@@ -45,4 +47,13 @@
         </plugins>
     </build>
 
+    <developers>
+        <developer>
+            <id>uPagge</id>
+            <name>Struchkov Mark</name>
+            <email>mark@struchkov.dev</email>
+            <url>https://mark.struchkov.dev</url>
+        </developer>
+    </developers>
+
 </project>
diff --git a/src/main/java/org/sadtech/example/swagger/dto/UserDto.java b/src/main/java/org/sadtech/example/swagger/dto/UserDto.java
index 9a0449c..3272577 100644
--- a/src/main/java/org/sadtech/example/swagger/dto/UserDto.java
+++ b/src/main/java/org/sadtech/example/swagger/dto/UserDto.java
@@ -2,7 +2,6 @@ package org.sadtech.example.swagger.dto;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 
-import javax.validation.constraints.NotBlank;
 import java.time.LocalDateTime;
 
 /**