diff --git a/openapi/config-values.yaml b/openapi/config-values.yaml
index 3df12b6a..b8bf0047 100644
--- a/openapi/config-values.yaml
+++ b/openapi/config-values.yaml
@@ -12,3 +12,7 @@ properties:
       - TRACE
     description: Module log level
     default: DEBUG
+  enableThinProvisioning:
+    type: boolean
+    default: true
+    description: Allow thin LVM volumes usage
\ No newline at end of file