diff --git a/NOTICE.md b/NOTICE.md
index ca557844..cf483fac 100644
--- a/NOTICE.md
+++ b/NOTICE.md
@@ -127,9 +127,9 @@ Below are all the FOSS (Free and open-source software) used and their respective
 
 - oauth2-proxy
   - Helm chart:
-    - Version: 8.2.1
-    - Licence: [Apache License 2.0](https://github.com/oauth2-proxy/manifests/blob/oauth2-proxy-8.2.1/LICENSE)
-    - Source: <https://github.com/oauth2-proxy/manifests/tree/oauth2-proxy-8.2.1>
+    - Version: 8.3.1
+    - Licence: [Apache License 2.0](https://github.com/oauth2-proxy/manifests/blob/oauth2-proxy-8.3.1/LICENSE)
+    - Source: <https://github.com/oauth2-proxy/manifests/tree/oauth2-proxy-8.3.1>
     - Copyright: Copyright The oauth2-proxy Development Team. [Authors and Contributors](https://github.com/oauth2-proxy/manifests/graphs/contributors)
   - Container image(s)
     - quay.io/oauth2-proxy/oauth2-proxy:v7.12.0
diff --git a/apps/oauth2-proxy/kustomization.yaml b/apps/oauth2-proxy/kustomization.yaml
index a784c58e..842f0459 100644
--- a/apps/oauth2-proxy/kustomization.yaml
+++ b/apps/oauth2-proxy/kustomization.yaml
@@ -21,7 +21,7 @@ helmCharts:
   releaseName: '{{ app_name }}'
   repo: https://oauth2-proxy.github.io/manifests
   valuesFile: values.yaml
-  version: 8.2.1
+  version: 8.3.1
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 labels: