diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8287887d..6b180ba3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 8.5.3 (2025-09-17)
+- update dependency of pysaml2 to >=7.5.3
+
 ## 8.5.1 (2025-02-10)
 
 - ldap_attribute_store plugin: Add configuration option `use_all_results` to
diff --git a/setup.py b/setup.py
index 70d1e51a..aee85da0 100644
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,7 @@
 
 setup(
     name='SATOSA',
-    version='8.5.1',
+    version='8.5.2',
     description='Protocol proxy (SAML/OIDC).',
     author='DIRG',
     author_email='satosa-dev@lists.sunet.se',
@@ -16,7 +16,7 @@
     package_dir={'': 'src'},
     install_requires=[
         "pyop >= v3.4.0",
-        "pysaml2 >= 6.5.1",
+        "pysaml2 >= 7.5.3",
         "pycryptodomex",
         "requests",
         "PyYAML",