diff --git a/.github/workflows/kube-flux-diff.yaml b/.github/workflows/kube-flux-diff.yaml
index b4736f1a..021b3424 100644
--- a/.github/workflows/kube-flux-diff.yaml
+++ b/.github/workflows/kube-flux-diff.yaml
@@ -25,7 +25,7 @@ jobs:
           private-key: "${{ secrets.BOT_JWT_PRIVATE_KEY }}" # $BOT_JWT_PRIVATE_KEY is generated in GitHub App main settings page, uses the X.509 private key format
 
       - name: Setup Flux
-        uses: fluxcd/flux2/action@a18d4f345021182d6516bf3e8e00210567f46ab5 # v2.1.2
+        uses: fluxcd/flux2/action@534684601ec8888beb0cc4f51117b59e97606c4d # v2.2.3
 
       - name: Diff Resources
         uses: allenporter/flux-local/action/diff@e630daec1a1bcd24dc80f5100c6e1c7b6a091153 # 4.3.1
diff --git a/kube/bootstrap/flux/kustomization.yaml b/kube/bootstrap/flux/kustomization.yaml
index ee0eebbd..43223792 100644
--- a/kube/bootstrap/flux/kustomization.yaml
+++ b/kube/bootstrap/flux/kustomization.yaml
@@ -2,4 +2,4 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
-  - github.com/fluxcd/flux2/manifests/install?ref=v2.1.2
+  - github.com/fluxcd/flux2/manifests/install?ref=v2.2.3
diff --git a/kube/clusters/biohazard/flux/flux-install.yaml b/kube/clusters/biohazard/flux/flux-install.yaml
index 21061501..ada38e76 100644
--- a/kube/clusters/biohazard/flux/flux-install.yaml
+++ b/kube/clusters/biohazard/flux/flux-install.yaml
@@ -9,7 +9,7 @@ spec:
   interval: 10m
   url: oci://ghcr.io/fluxcd/flux-manifests
   ref:
-    tag: v2.1.2@sha256:5502bbd944688e3a6e1804521be7bcfcb66cf72d130196fe2736e00c6016525f
+    tag: v2.2.3@sha256:187f6a409354d1a6156bb9ede0c81da13e1daccef421203575d23679ccc9b320
 ---
 apiVersion: kustomize.toolkit.fluxcd.io/v1
 kind: Kustomization
diff --git a/kube/clusters/nuclear/flux/flux-install.yaml b/kube/clusters/nuclear/flux/flux-install.yaml
index 2039659f..ff422148 100644
--- a/kube/clusters/nuclear/flux/flux-install.yaml
+++ b/kube/clusters/nuclear/flux/flux-install.yaml
@@ -9,7 +9,7 @@ spec:
   interval: 10m
   url: oci://ghcr.io/fluxcd/flux-manifests
   ref:
-    tag: v2.1.2@sha256:5502bbd944688e3a6e1804521be7bcfcb66cf72d130196fe2736e00c6016525f
+    tag: v2.2.3@sha256:187f6a409354d1a6156bb9ede0c81da13e1daccef421203575d23679ccc9b320
 ---
 apiVersion: kustomize.toolkit.fluxcd.io/v1
 kind: Kustomization