diff --git a/v0/api/wallet/swagger.json b/v0/api/wallet/swagger.json
index d3c66d8..8e2ae98 100644
--- a/v0/api/wallet/swagger.json
+++ b/v0/api/wallet/swagger.json
@@ -347,7 +347,7 @@
             "description": "Идентификатор ввода денежных средств",
             "type": "string",
             "required": false,
-            "maxLength": 40,
+            "maxLength": 50,
             "minLength": 1
           },
           {
diff --git a/v0/api/wallet/swagger.yaml b/v0/api/wallet/swagger.yaml
index 63afc71..6a04bda 100644
--- a/v0/api/wallet/swagger.yaml
+++ b/v0/api/wallet/swagger.yaml
@@ -310,7 +310,7 @@ paths:
           description: Идентификатор ввода денежных средств
           type: string
           required: false
-          maxLength: 40
+          maxLength: 50
           minLength: 1
         - name: sourceID
           in: query