diff --git a/setup.py b/setup.py
index <HASH>..<HASH> 100644
--- a/setup.py
+++ b/setup.py
@@ -16,7 +16,7 @@ setup(
     package_dir={'': 'src'},
     install_requires=[
         "pyop >= 3.0.1",
-        "pysaml2",
+        "pysaml2 >= 5.0.0",
         "pycryptodomex",
         "requests",
         "PyYAML",
Set minimum pysaml2 version

PySAML2 had a recent vulnerability report. Setting the minimum version
to the fixed release will make sure we always get a safe version.

See, CVE-<I>-<I> on XML Signature Wrapping (XSW) vulnerability.