diff --git a/scopes/pom.xml b/scopes/pom.xml
index 2e81b7d..db00cfe 100644
--- a/scopes/pom.xml
+++ b/scopes/pom.xml
@@ -22,6 +22,10 @@
             <scope>runtime</scope>
             <optional>true</optional>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-jackson</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
@@ -33,12 +37,6 @@
                 </exclusion>
             </exclusions>
         </dependency>
-        <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-databind</artifactId>
-            <version>2.20.1</version>
-            <scope>test</scope>
-        </dependency>
 
     </dependencies>
 
diff --git a/scopes/src/main/java/de/repmek/springworkshop/scopes/tabScope/TabScopeImpl.java b/scopes/src/main/java/de/repmek/springworkshop/scopes/tabScope/TabScopeImpl.java
index 638508b..fc643c7 100644
--- a/scopes/src/main/java/de/repmek/springworkshop/scopes/tabScope/TabScopeImpl.java
+++ b/scopes/src/main/java/de/repmek/springworkshop/scopes/tabScope/TabScopeImpl.java
@@ -1,8 +1,8 @@
 package de.repmek.springworkshop.scopes.tabScope;
 
 import jakarta.servlet.http.HttpServletRequest;
+import org.jspecify.annotations.Nullable;
 import org.springframework.beans.factory.ObjectFactory;
-import org.springframework.lang.Nullable;
 import org.springframework.web.context.request.SessionScope;
 
 import java.net.URLEncoder;
diff --git a/scopes/src/test/java/de/repmek/springworkshop/scopes/ScopeControllerTest.java b/scopes/src/test/java/de/repmek/springworkshop/scopes/ScopeControllerTest.java
index d0001e7..939297e 100644
--- a/scopes/src/test/java/de/repmek/springworkshop/scopes/ScopeControllerTest.java
+++ b/scopes/src/test/java/de/repmek/springworkshop/scopes/ScopeControllerTest.java
@@ -1,9 +1,9 @@
 package de.repmek.springworkshop.scopes;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
 import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.boot.test.web.server.LocalServerPort;
+import tools.jackson.databind.ObjectMapper;
 
 import java.net.CookieManager;
 import java.net.URI;
@@ -22,7 +22,7 @@ class ScopeControllerTest {
     @LocalServerPort
     private int port;
 
-    private ObjectMapper objectMapper = new ObjectMapper();
+    private final tools.jackson.databind.ObjectMapper objectMapper = new ObjectMapper();
 
     @Test
     public void testScopes() throws Exception {