diff --git a/setup.py b/setup.py
index afc2322..11c06be 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@ setup(
     package_dir={'': 'src'},
     packages=find_packages(where='src'),
     install_requires=[
-        'python-gitlab',
+        'python-gitlab >= 1.5.1',
     ],
     setup_requires=["pytest-runner"],
     tests_require=["pytest"],