diff --git a/src/main/java/app/coronawarn/quicktest/model/quicktest/QuickTestPersonalDataRequest.java b/src/main/java/app/coronawarn/quicktest/model/quicktest/QuickTestPersonalDataRequest.java
index 653c1eab..405cab45 100644
--- a/src/main/java/app/coronawarn/quicktest/model/quicktest/QuickTestPersonalDataRequest.java
+++ b/src/main/java/app/coronawarn/quicktest/model/quicktest/QuickTestPersonalDataRequest.java
@@ -92,11 +92,11 @@ public class QuickTestPersonalDataRequest {
     private LocalDate birthday;
 
     @ValidCommonChar
-    @Size(min = 1, max = 50)
+    @Size(min = 1, max = 150)
     private String standardisedFamilyName;
 
     @ValidCommonChar
-    @Size(min = 1, max = 50)
+    @Size(min = 1, max = 150)
     private String standardisedGivenName;
 
     @NotNull