diff --git a/projects/core/project.yml b/projects/core/project.yml
index 088ff00c..216a3edc 100644
--- a/projects/core/project.yml
+++ b/projects/core/project.yml
@@ -49,7 +49,7 @@ apps:
   existingNamespace: kube-system
   repoURL: https://helm.cilium.io
   chart: cilium
-  targetRevision: 1.15.4
+  targetRevision: 1.15.5
 
 - name: external-dns
   repoURL: https://kubernetes-sigs.github.io/external-dns