diff --git a/kubernetes/argocd/stacks/acm-member-portal/values.yml b/kubernetes/argocd/stacks/acm-member-portal/values.yml
index 18f640b..d67fb25 100644
--- a/kubernetes/argocd/stacks/acm-member-portal/values.yml
+++ b/kubernetes/argocd/stacks/acm-member-portal/values.yml
@@ -1,6 +1,10 @@
 ---
 imagePullSecrets:
   - name: pull-creds
+# Matches the numeric runtime user in the portal Dockerfile.
+podSecurityContext:
+  runAsUser: 10001
+  runAsGroup: 10001
 database:
   enabled: true
   storage: