diff --git a/resources/etherpad/postgres_deployment.yaml b/resources/etherpad/postgres_deployment.yaml
index 2004aff..df457ac 100644
--- a/resources/etherpad/postgres_deployment.yaml
+++ b/resources/etherpad/postgres_deployment.yaml
@@ -65,5 +65,5 @@ spec:
       restartPolicy: Always
       volumes:
       - name: postgresql-data
-        emptyDir:
-          medium: ""
\ No newline at end of file
+        persistentVolumeClaim:
+          claimName: postgresql
diff --git a/resources/etherpad/postgres_pvc.yaml b/resources/etherpad/postgres_pvc.yaml
new file mode 100644
index 0000000..2362c03
--- /dev/null
+++ b/resources/etherpad/postgres_pvc.yaml
@@ -0,0 +1,13 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  labels:
+    template: postgresql-persistent-template
+  name: postgresql
+spec:
+  accessModes:
+  - ReadWriteOnce
+  resources:
+    requests:
+      storage: 2Gi
+