diff --git a/scripts/update-crd-reference/config.yaml b/scripts/update-crd-reference/config.yaml
index b21b93bb16..7a4aa5324f 100644
--- a/scripts/update-crd-reference/config.yaml
+++ b/scripts/update-crd-reference/config.yaml
@@ -322,7 +322,7 @@ source_repositories:
   - url: https://github.com/giantswarm/muster
     organization: giantswarm
     short_name: muster
-    commit_reference: v1.4.2
+    commit_reference: v1.4.3
     crd_paths:
       - helm/muster-crds/files/crds
     cr_paths: