diff --git a/manifests/pipecd/templates/deployment.yaml b/manifests/pipecd/templates/deployment.yaml
index 8fe0fd6238..59551eadd6 100644
--- a/manifests/pipecd/templates/deployment.yaml
+++ b/manifests/pipecd/templates/deployment.yaml
@@ -131,6 +131,11 @@ spec:
           resources:
             {{- toYaml .Values.server.resources | nindent 12 }}
 {{- end }}
+{{- if .Values.server.env }}
+          env:
+            {{- toYaml .Values.server.env | nindent 12 }}
+{{- end }}
+
       volumes:
         - name: pipecd-secret
           secret:
diff --git a/manifests/pipecd/values.yaml b/manifests/pipecd/values.yaml
index afb5e2477f..97625dfdf8 100644
--- a/manifests/pipecd/values.yaml
+++ b/manifests/pipecd/values.yaml
@@ -27,6 +27,7 @@ server:
     secureCookie: false
     logEncoding: humanize
   resources: {}
+  env: []
 
 cache:
   imageTag: "5.0.5-alpine3.9"