diff --git a/app-files/core-deployments.yaml b/app-files/core-deployments.yaml
index d6cf0d9..4924922 100644
--- a/app-files/core-deployments.yaml
+++ b/app-files/core-deployments.yaml
@@ -237,7 +237,7 @@ spec:
   sources:
     - chart: loki
       repoURL: https://grafana.github.io/helm-charts
-      targetRevision: 6.6.5
+      targetRevision: 6.6.6
       helm:
         releaseName: loki
         valueFiles: