diff --git a/manifests/workloads/tekton-oauth2-proxy/kustomization.yaml b/manifests/workloads/tekton-oauth2-proxy/kustomization.yaml
index b469f0d1..30691b84 100644
--- a/manifests/workloads/tekton-oauth2-proxy/kustomization.yaml
+++ b/manifests/workloads/tekton-oauth2-proxy/kustomization.yaml
@@ -12,5 +12,5 @@ helmCharts:
     releaseName: tekton-oauth2-proxy
     namespace: tekton-pipelines
     repo: https://oauth2-proxy.github.io/manifests
-    version: 6.18.1
+    version: 6.18.3
     valuesFile: values.yaml