diff --git a/services/rabbitmq/oas_commit b/services/rabbitmq/oas_commit
index 200235745..69bfa80b3 100644
--- a/services/rabbitmq/oas_commit
+++ b/services/rabbitmq/oas_commit
@@ -1 +1 @@
-615e0c091b55fd1ae8e4931c26902127bddf6ac6
+864bdad12a54f612df8fcdb6e41dd2933e94c3af
diff --git a/services/rabbitmq/v1api/client.go b/services/rabbitmq/v1api/client.go
index 9aaa3e554..f8157eb8f 100644
--- a/services/rabbitmq/v1api/client.go
+++ b/services/rabbitmq/v1api/client.go
@@ -461,6 +461,15 @@ func (c *APIClient) decode(v interface{}, b []byte, contentType string) (err err
 		*s = string(b)
 		return nil
 	}
+	if r, ok := v.(*io.Reader); ok {
+		*r = bytes.NewReader(b)
+		return nil
+	}
+	// Must stay before the JSON branch: json.Unmarshal would base64-decode into *[]byte.
+	if p, ok := v.(*[]byte); ok {
+		*p = b
+		return nil
+	}
 	if f, ok := v.(*os.File); ok {
 		f, err = os.CreateTemp("", "HttpClientFile")
 		if err != nil {
diff --git a/services/rabbitmq/v2api/client.go b/services/rabbitmq/v2api/client.go
index dc2c69b74..1ce0d599d 100644
--- a/services/rabbitmq/v2api/client.go
+++ b/services/rabbitmq/v2api/client.go
@@ -461,6 +461,15 @@ func (c *APIClient) decode(v interface{}, b []byte, contentType string) (err err
 		*s = string(b)
 		return nil
 	}
+	if r, ok := v.(*io.Reader); ok {
+		*r = bytes.NewReader(b)
+		return nil
+	}
+	// Must stay before the JSON branch: json.Unmarshal would base64-decode into *[]byte.
+	if p, ok := v.(*[]byte); ok {
+		*p = b
+		return nil
+	}
 	if f, ok := v.(*os.File); ok {
 		f, err = os.CreateTemp("", "HttpClientFile")
 		if err != nil {