diff --git a/backend/src/main/java/ch/xxx/aidoclibchat/adapter/config/ApplicationConfig.java b/backend/src/main/java/ch/xxx/aidoclibchat/adapter/config/ApplicationConfig.java
index cf5f927..5b79126 100644
--- a/backend/src/main/java/ch/xxx/aidoclibchat/adapter/config/ApplicationConfig.java
+++ b/backend/src/main/java/ch/xxx/aidoclibchat/adapter/config/ApplicationConfig.java
@@ -21,6 +21,7 @@
 import org.springframework.web.client.RestClient;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 
 
 @Configuration
@@ -41,6 +42,8 @@ public RestClient createRestClient() {
 	
 	@Bean
 	public ObjectMapper createObjectMapper() {
-		return new ObjectMapper();
+		var objectMapper = new ObjectMapper();
+		objectMapper.registerModule(new JavaTimeModule());
+		return objectMapper;
 	}
 }