diff --git a/scm-core/src/main/java/sonia/scm/security/NotPublicKeyException.java b/scm-core/src/main/java/sonia/scm/security/NotPublicKeyException.java
index 48a68b17bc..3d8775a09a 100644
--- a/scm-core/src/main/java/sonia/scm/security/NotPublicKeyException.java
+++ b/scm-core/src/main/java/sonia/scm/security/NotPublicKeyException.java
@@ -29,7 +29,7 @@ import sonia.scm.ContextEntry;
 
 import java.util.List;
 
-@SuppressWarnings("squid:S110")
+@SuppressWarnings("squid:MaximumInheritanceDepth") // exceptions have a deep inheritance depth themselves; therefore we accept this here
 public class NotPublicKeyException extends BadRequestException {
   public NotPublicKeyException(List<ContextEntry> context, String message) {
     super(context, message);
diff --git a/scm-webapp/src/main/java/sonia/scm/security/gpg/DeletingReadonlyKeyNotAllowedException.java b/scm-webapp/src/main/java/sonia/scm/security/gpg/DeletingReadonlyKeyNotAllowedException.java
index 4b1d37c35a..b559801116 100644
--- a/scm-webapp/src/main/java/sonia/scm/security/gpg/DeletingReadonlyKeyNotAllowedException.java
+++ b/scm-webapp/src/main/java/sonia/scm/security/gpg/DeletingReadonlyKeyNotAllowedException.java
@@ -27,7 +27,7 @@ package sonia.scm.security.gpg;
 import sonia.scm.BadRequestException;
 import sonia.scm.ContextEntry;
 
-@SuppressWarnings("squid:S110")
+@SuppressWarnings("squid:MaximumInheritanceDepth") // exceptions have a deep inheritance depth themselves; therefore we accept this here
 public final class DeletingReadonlyKeyNotAllowedException extends BadRequestException {
 
   public DeletingReadonlyKeyNotAllowedException(String keyId) {