diff --git a/src/v1/openapi.yaml b/src/v1/openapi.yaml
index b445106..2f568c3 100644
--- a/src/v1/openapi.yaml
+++ b/src/v1/openapi.yaml
@@ -3961,13 +3961,13 @@ components:
             Amount:
               type: "number"
             SalesPriceNetSingle:
-              type: "string"
+              type: "number"
             SalesPriceGrossSingle:
-              type: "string"
+              type: "number"
             SalesPriceNetTotal:
-              type: "string"
+              type: "number"
             SalesPriceGrossTotal:
-              type: "string"
+              type: "number"
             Designation:
               type: "string"
             _HashValue: