diff --git a/scm-core/src/main/java/sonia/scm/NotSupportedFeatureException.java b/scm-core/src/main/java/sonia/scm/NotSupportedFeatureException.java
index bc4e1b8a4f..3b389a7dc4 100644
--- a/scm-core/src/main/java/sonia/scm/NotSupportedFeatureException.java
+++ b/scm-core/src/main/java/sonia/scm/NotSupportedFeatureException.java
@@ -40,6 +40,7 @@ import java.util.Collections;
  * @author Sebastian Sdorra
  * @version 1.6
  */
+@SuppressWarnings("squid:MaximumInheritanceDepth") // exceptions have a deep inheritance depth themselves; therefore we accept this here
 public class NotSupportedFeatureException extends BadRequestException {
 
   private static final long serialVersionUID = 256498734456613496L;
diff --git a/scm-core/src/main/java/sonia/scm/user/ChangePasswordNotAllowedException.java b/scm-core/src/main/java/sonia/scm/user/ChangePasswordNotAllowedException.java
index be5eda6599..486d392b0b 100644
--- a/scm-core/src/main/java/sonia/scm/user/ChangePasswordNotAllowedException.java
+++ b/scm-core/src/main/java/sonia/scm/user/ChangePasswordNotAllowedException.java
@@ -3,6 +3,7 @@ package sonia.scm.user;
 import sonia.scm.BadRequestException;
 import sonia.scm.ContextEntry;
 
+@SuppressWarnings("squid:MaximumInheritanceDepth") // exceptions have a deep inheritance depth themselves; therefore we accept this here
 public class ChangePasswordNotAllowedException extends BadRequestException {
 
   private static final String CODE = "9BR7qpDAe1";
diff --git a/scm-core/src/main/java/sonia/scm/user/InvalidPasswordException.java b/scm-core/src/main/java/sonia/scm/user/InvalidPasswordException.java
index 17e24fcd9d..6f1bfd9954 100644
--- a/scm-core/src/main/java/sonia/scm/user/InvalidPasswordException.java
+++ b/scm-core/src/main/java/sonia/scm/user/InvalidPasswordException.java
@@ -3,6 +3,7 @@ package sonia.scm.user;
 import sonia.scm.BadRequestException;
 import sonia.scm.ContextEntry;
 
+@SuppressWarnings("squid:MaximumInheritanceDepth") // exceptions have a deep inheritance depth themselves; therefore we accept this here
 public class InvalidPasswordException extends BadRequestException {
 
   private static final String CODE = "8YR7aawFW1";