diff --git a/setup.py b/setup.py
index 01403e3..7270773 100644
--- a/setup.py
+++ b/setup.py
@@ -29,7 +29,7 @@
     packages=setuptools.find_packages('src'),
     include_package_data=True,
     install_requires=[
-        'pysaml2==4.5.0',
+        'pysaml2==6.5.0',
         'PyYAML',
         'gevent==21.12.0',
         'requests==2.28.1',