diff --git a/pom.xml b/pom.xml
index c99e20d..966e0dd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
     </parent>
     <groupId>com.wiemanboy</groupId>
     <artifactId>WiemanApi</artifactId>
-    <version>1.0.1</version>
+    <version>1.1.0</version>
     <name>WiemanApi</name>
     <description>WiemanApi</description>
     <url/>
diff --git a/src/main/java/com/wiemanboy/wiemanapi/application/ProfileService.java b/src/main/java/com/wiemanboy/wiemanapi/application/ProfileService.java
index 847c621..127c794 100644
--- a/src/main/java/com/wiemanboy/wiemanapi/application/ProfileService.java
+++ b/src/main/java/com/wiemanboy/wiemanapi/application/ProfileService.java
@@ -55,7 +55,7 @@ public Profile createProfile(String firstName, String lastName, String username,
                                         .map(
                                                 skillDto -> Skill.builder()
                                                         .name(skillDto.name())
-                                                        .level(skillDto.level())
+                                                        .level(SkillLevel.of(skillDto.level()))
                                                         .build()
                                         ).toList()
                                 ).build(
@@ -107,7 +107,7 @@ public Profile updateProfile(String id, String firstName, String lastName, Strin
                                             .map(
                                                     skillDto -> Skill.builder()
                                                             .name(skillDto.name())
-                                                            .level(skillDto.level())
+                                                            .level(SkillLevel.of(skillDto.level()))
                                                             .build()
                                             ).toList()
                                     ).build(
diff --git a/src/main/java/com/wiemanboy/wiemanapi/domain/Skill.java b/src/main/java/com/wiemanboy/wiemanapi/domain/Skill.java
index eb66c73..92dac88 100644
--- a/src/main/java/com/wiemanboy/wiemanapi/domain/Skill.java
+++ b/src/main/java/com/wiemanboy/wiemanapi/domain/Skill.java
@@ -9,10 +9,11 @@
 @Builder
 public class Skill {
     private String name;
-    private String level;
+    private SkillLevel level;
 
-    public Skill(String name, String level) {
+    public Skill(String name, SkillLevel level) {
         this.name = name;
         this.level = level;
     }
+
 }
diff --git a/src/main/java/com/wiemanboy/wiemanapi/domain/SkillLevel.java b/src/main/java/com/wiemanboy/wiemanapi/domain/SkillLevel.java
new file mode 100644
index 0000000..670c4c8
--- /dev/null
+++ b/src/main/java/com/wiemanboy/wiemanapi/domain/SkillLevel.java
@@ -0,0 +1,20 @@
+package com.wiemanboy.wiemanapi.domain;
+
+import com.wiemanboy.wiemanapi.domain.exceptions.InvalidSkillLevelException;
+import lombok.Value;
+
+@Value
+public class SkillLevel {
+    int value;
+
+    private SkillLevel(int value) {
+        this.value = value;
+    }
+
+    public static SkillLevel of(int value) {
+        if (value < 0 || value > 5) {
+            throw new InvalidSkillLevelException(0, 5);
+        }
+        return new SkillLevel(value);
+    }
+}
diff --git a/src/main/java/com/wiemanboy/wiemanapi/domain/exceptions/InvalidSkillLevelException.java b/src/main/java/com/wiemanboy/wiemanapi/domain/exceptions/InvalidSkillLevelException.java
new file mode 100644
index 0000000..99d155a
--- /dev/null
+++ b/src/main/java/com/wiemanboy/wiemanapi/domain/exceptions/InvalidSkillLevelException.java
@@ -0,0 +1,18 @@
+package com.wiemanboy.wiemanapi.domain.exceptions;
+
+import lombok.Getter;
+
+import static java.lang.String.format;
+
+@Getter
+public class InvalidSkillLevelException extends RuntimeException {
+
+    private final int min;
+    private final int max;
+
+    public InvalidSkillLevelException(int min, int max) {
+        super(format("Level must be between %d and %d", min, max));
+        this.min = min;
+        this.max = max;
+    }
+}
diff --git a/src/main/java/com/wiemanboy/wiemanapi/presentation/dto/response/SkillDto.java b/src/main/java/com/wiemanboy/wiemanapi/presentation/dto/response/SkillDto.java
index 85aa789..46161c1 100644
--- a/src/main/java/com/wiemanboy/wiemanapi/presentation/dto/response/SkillDto.java
+++ b/src/main/java/com/wiemanboy/wiemanapi/presentation/dto/response/SkillDto.java
@@ -6,10 +6,10 @@
 
 public record SkillDto(
         String name,
-        String level
+        int level
 ) {
     public static SkillDto from(Skill skill) {
-        return new SkillDto(skill.getName(), skill.getName());
+        return new SkillDto(skill.getName(), skill.getLevel().getValue());
     }
 
     public static List<SkillDto> from(List<Skill> skills) {
diff --git a/src/test/java/com/wiemanboy/wiemanapi/builders/SkillBuilder.java b/src/test/java/com/wiemanboy/wiemanapi/builders/SkillBuilder.java
index 00b5141..57d6e5a 100644
--- a/src/test/java/com/wiemanboy/wiemanapi/builders/SkillBuilder.java
+++ b/src/test/java/com/wiemanboy/wiemanapi/builders/SkillBuilder.java
@@ -1,6 +1,7 @@
 package com.wiemanboy.wiemanapi.builders;
 
 import com.wiemanboy.wiemanapi.domain.Skill;
+import com.wiemanboy.wiemanapi.domain.SkillLevel;
 import lombok.Setter;
 import lombok.experimental.Accessors;
 
@@ -8,9 +9,9 @@
 @Accessors(chain = true)
 public class SkillBuilder {
     private String name = "Skill";
-    private String description = "Description";
+    private int level = 5;
 
     public Skill build() {
-        return new Skill(name, description);
+        return new Skill(name, SkillLevel.of(level));
     }
 }
diff --git a/src/test/resources/application.properties b/src/test/resources/application.properties
index e16eb8e..f1d1279 100644
--- a/src/test/resources/application.properties
+++ b/src/test/resources/application.properties
@@ -1,2 +1,9 @@
 debug=true
-spring.main.allow-bean-definition-overriding=true
\ No newline at end of file
+spring.main.allow-bean-definition-overriding=true
+spring.data.mongodb.host=${MONGO_HOST:localhost}
+spring.data.mongodb.port=${MONGO_PORT:27017}
+spring.data.mongodb.database=${MONGO_DB:dev_db}
+spring.data.mongodb.username=${MONGO_USER:admin}
+spring.data.mongodb.password=${MONGO_PASS:admin}
+spring.data.mongodb.authentication-database=${MONGO_AUTH_DB:admin}
+spring.autoconfigure.exclude=org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration
\ No newline at end of file