diff --git a/charts/gitops-status-server/templates/deployment.yaml b/charts/gitops-status-server/templates/deployment.yaml
index ee48f89..faa23c4 100644
--- a/charts/gitops-status-server/templates/deployment.yaml
+++ b/charts/gitops-status-server/templates/deployment.yaml
@@ -76,6 +76,9 @@ spec:
           mountPath: /var/cache/nginx
         - name: run
           mountPath: /var/run
+        # nginx needs writable /tmp for proxy buffers
+        - name: tmp
+          mountPath: /tmp
       volumes:
       # ConfigMap volume containing the status.json
       - name: status-json
@@ -89,6 +92,8 @@ spec:
         emptyDir: {}
       - name: run
         emptyDir: {}
+      - name: tmp
+        emptyDir: {}
       {{- with .Values.nodeSelector }}
       nodeSelector:
         {{- toYaml . | nindent 8 }}