diff --git a/src/requirements/banktransfer.txt b/src/requirements/banktransfer.txt
index b9e82a45c6..f388c86b35 100644
--- a/src/requirements/banktransfer.txt
+++ b/src/requirements/banktransfer.txt
@@ -1,4 +1,4 @@
 chardet>=2.3,<3
 defusedxml
-mt-940
+mt-940==3.2