diff --git a/api/baufi-passende-vorschlaege-api.yaml b/api/baufi-passende-vorschlaege-api.yaml
index 158babf..ae830fa 100644
--- a/api/baufi-passende-vorschlaege-api.yaml
+++ b/api/baufi-passende-vorschlaege-api.yaml
@@ -1,7 +1,7 @@
 openapi: 3.0.3
 info:
   description: 'As consumer, I want to determine appropriate financing proposals based on my situation and preferences. Analyze my needs and compare and find the best offers which fits my needs.'
-  version: 1.0.51
+  version: 1.0.52
   title: Vorschlaege API
   contact:
     name: Europace AG
@@ -565,6 +565,10 @@ components:
           type: string
           format: date
           example: '2040-05-30'
+        rateMonatlich:
+          type: number
+          description: 'The monthly instalment for remaining loans. In euros.'
+          example: 500.00
         restschuld:
           $ref: '#/components/schemas/Restschuld'
         darlehenskontonummer: