1 files changed, 4 insertions, 2 deletions
diff --git a/synapse/python_dependencies.py b/synapse/python_dependencies.py
index 92422c6ffc..72a92cc462 100644
--- a/synapse/python_dependencies.py
+++ b/synapse/python_dependencies.py
@@ -53,7 +53,6 @@ REQUIREMENTS = {
     "pillow>=3.1.2": ["PIL"],
     "sortedcontainers>=1.4.4": ["sortedcontainers"],
     "psutil>=2.0.0": ["psutil>=2.0.0"],
-    "pysaml2>=3.0.0": ["saml2"],
     "pymacaroons-pynacl>=0.9.3": ["pymacaroons"],
     "msgpack-python>=0.4.2": ["msgpack"],
     "phonenumbers>=8.2.0": ["phonenumbers"],
@@ -78,7 +77,10 @@ CONDITIONAL_REQUIREMENTS = {
     },
     "postgres": {
         "psycopg2>=2.6": ["psycopg2"]
-    }
+    },
+    "saml2": {
+        "pysaml2>=4.5.0": ["saml2"],
+    },
 }