diff --git a/README.md b/README.md
index 51d2ff6b1..060a79e64 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ upgrade the Helm releases to their latest chart version based on semver ranges.
 
 ## Prerequisites
 
-You will need a Kubernetes cluster version 1.21 or newer.
+You will need a Kubernetes cluster version 1.28 or newer.
 For a quick local test, you can use [Kubernetes kind](https://kind.sigs.k8s.io/docs/user/quick-start/).
 Any other Kubernetes setup will work as well though.
 
@@ -82,7 +82,7 @@ The apps configuration is structured into:
 In **apps/base/podinfo/** dir we have a Flux `HelmRelease` with common values for both clusters:
 
 ```yaml
-apiVersion: helm.toolkit.fluxcd.io/v2beta2
+apiVersion: helm.toolkit.fluxcd.io/v2
 kind: HelmRelease
 metadata:
   name: podinfo
@@ -106,7 +106,7 @@ spec:
 In **apps/staging/** dir we have a Kustomize patch with the staging specific values:
 
 ```yaml
-apiVersion: helm.toolkit.fluxcd.io/v2beta2
+apiVersion: helm.toolkit.fluxcd.io/v2
 kind: HelmRelease
 metadata:
   name: podinfo
@@ -128,7 +128,7 @@ the `HelmRelease` to the latest chart version including alpha, beta and pre-rele
 In **apps/production/** dir we have a Kustomize patch with the production specific values:
 
 ```yaml
-apiVersion: helm.toolkit.fluxcd.io/v2beta2
+apiVersion: helm.toolkit.fluxcd.io/v2
 kind: HelmRelease
 metadata:
   name: podinfo
@@ -167,7 +167,7 @@ The infrastructure is structured into:
 In **infrastructure/controllers/** dir we have the Flux `HelmRepository` and `HelmRelease` definitions such as:
 
 ```yaml
-apiVersion: helm.toolkit.fluxcd.io/v2beta2
+apiVersion: helm.toolkit.fluxcd.io/v2
 kind: HelmRelease
 metadata:
   name: cert-manager
diff --git a/apps/base/podinfo/release.yaml b/apps/base/podinfo/release.yaml
index 9decfd1d8..b85c8922c 100644
--- a/apps/base/podinfo/release.yaml
+++ b/apps/base/podinfo/release.yaml
@@ -1,4 +1,4 @@
-apiVersion: helm.toolkit.fluxcd.io/v2beta2
+apiVersion: helm.toolkit.fluxcd.io/v2
 kind: HelmRelease
 metadata:
   name: podinfo
diff --git a/apps/base/podinfo/repository.yaml b/apps/base/podinfo/repository.yaml
index 1cfb34b90..8ee1fefe1 100644
--- a/apps/base/podinfo/repository.yaml
+++ b/apps/base/podinfo/repository.yaml
@@ -1,4 +1,4 @@
-apiVersion: source.toolkit.fluxcd.io/v1beta2
+apiVersion: source.toolkit.fluxcd.io/v1
 kind: HelmRepository
 metadata:
   name: podinfo
diff --git a/apps/production/podinfo-values.yaml b/apps/production/podinfo-values.yaml
index 98a230d5c..dff5d6e6c 100644
--- a/apps/production/podinfo-values.yaml
+++ b/apps/production/podinfo-values.yaml
@@ -1,4 +1,4 @@
-apiVersion: helm.toolkit.fluxcd.io/v2beta2
+apiVersion: helm.toolkit.fluxcd.io/v2
 kind: HelmRelease
 metadata:
   name: podinfo
diff --git a/apps/staging/podinfo-values.yaml b/apps/staging/podinfo-values.yaml
index eb3f9af30..86f35a6cf 100644
--- a/apps/staging/podinfo-values.yaml
+++ b/apps/staging/podinfo-values.yaml
@@ -1,4 +1,4 @@
-apiVersion: helm.toolkit.fluxcd.io/v2beta2
+apiVersion: helm.toolkit.fluxcd.io/v2
 kind: HelmRelease
 metadata:
   name: podinfo
diff --git a/infrastructure/controllers/cert-manager.yaml b/infrastructure/controllers/cert-manager.yaml
index 8b26a3234..6e9a93cc4 100644
--- a/infrastructure/controllers/cert-manager.yaml
+++ b/infrastructure/controllers/cert-manager.yaml
@@ -6,7 +6,7 @@ metadata:
   labels:
     toolkit.fluxcd.io/tenant: sre-team
 ---
-apiVersion: source.toolkit.fluxcd.io/v1beta2
+apiVersion: source.toolkit.fluxcd.io/v1
 kind: HelmRepository
 metadata:
   name: cert-manager
@@ -15,7 +15,7 @@ spec:
   interval: 24h
   url: https://charts.jetstack.io
 ---
-apiVersion: helm.toolkit.fluxcd.io/v2beta2
+apiVersion: helm.toolkit.fluxcd.io/v2
 kind: HelmRelease
 metadata:
   name: cert-manager
diff --git a/infrastructure/controllers/ingress-nginx.yaml b/infrastructure/controllers/ingress-nginx.yaml
index 5ab5a606f..0121f9eb9 100644
--- a/infrastructure/controllers/ingress-nginx.yaml
+++ b/infrastructure/controllers/ingress-nginx.yaml
@@ -6,7 +6,7 @@ metadata:
   labels:
     toolkit.fluxcd.io/tenant: sre-team
 ---
-apiVersion: source.toolkit.fluxcd.io/v1beta2
+apiVersion: source.toolkit.fluxcd.io/v1
 kind: HelmRepository
 metadata:
   name: ingress-nginx
@@ -15,7 +15,7 @@ spec:
   interval: 24h
   url: https://kubernetes.github.io/ingress-nginx
 ---
-apiVersion: helm.toolkit.fluxcd.io/v2beta2
+apiVersion: helm.toolkit.fluxcd.io/v2
 kind: HelmRelease
 metadata:
   name: ingress-nginx