diff --git a/kube/clusters/biohazard/flux/flux-repo.yaml b/kube/clusters/biohazard/flux/flux-repo.yaml
index d2d5a863..8876cf15 100644
--- a/kube/clusters/biohazard/flux/flux-repo.yaml
+++ b/kube/clusters/biohazard/flux/flux-repo.yaml
@@ -45,7 +45,7 @@ spec:
     substitute:
       CLUSTER_NAME: "biohazard"
       # renovate: datasource=docker depName=ghcr.io/fluxcd/flux-manifests
-      FLUXCD_VERSION: "v2.5.1"
+      FLUXCD_VERSION: "v2.6.4"
     substituteFrom:
       - kind: Secret
         name: biohazard-vars