diff --git a/debian/control b/debian/control
index 97a7b57..2e6f718 100644
--- a/debian/control
+++ b/debian/control
@@ -23,7 +23,7 @@ Homepage: http://dev.entrouvert.org/projects/eopayment/
 Package: python-eopayment
 Architecture: all
 Depends: ${python:Depends},
- python-zeep,
+ python-zeep (>= 2.5),
  python-click
 Description: common API to access online payment services
  eopayment is a Python module to interface with French's bank credit
@@ -33,7 +33,7 @@ Description: common API to access online payment services
 Package: python3-eopayment
 Architecture: all
 Depends: ${python3:Depends},
- python3-zeep,
+ python3-zeep (>= 2.5),
  python3-click
 Description: common API to access online payment services (Python 3)
  eopayment is a Python module to interface with French's bank credit
diff --git a/setup.py b/setup.py
index 5aba5a9..8a59189 100755
--- a/setup.py
+++ b/setup.py
@@ -124,7 +124,7 @@ setuptools.setup(
         'requests',
         'six',
         'click',
-        'zeep',
+        'zeep >= 2.5',
     ],
     cmdclass={
         'sdist': eo_sdist,