diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e4ac0d2..595be9b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,5 @@
 variables:
-  HELM_CHART_VERSION: "1.0.18"
+  HELM_CHART_VERSION: "1.0.19"
 
 stages:
   - deploy
diff --git a/Chart/templates/_helpers.tpl b/Chart/templates/_helpers.tpl
index 1d332ee..5b28433 100644
--- a/Chart/templates/_helpers.tpl
+++ b/Chart/templates/_helpers.tpl
@@ -68,4 +68,5 @@ podAffinity:
           operator: In
           values:
           - "site"
+      topologyKey: kubernetes.io/hostname
 {{- end }}