diff --git a/manifests/deployment.yaml b/manifests/deployment.yaml
index e45d7f6..1f1cd87 100644
--- a/manifests/deployment.yaml
+++ b/manifests/deployment.yaml
@@ -14,7 +14,10 @@ spec:
         app: synapse
     spec:
       securityContext:
-        fsGroup: 991
+        runAsUser: 1000
+        runAsGroup: 1000
+        fsGroup: 1000
+        fsGroupChangePolicy: OnRootMismatch
       affinity:
         podAffinity:
           requiredDuringSchedulingIgnoredDuringExecution: