1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/python_dependencies.py b/synapse/python_dependencies.py
index 756721e304..5d087ee26b 100644
--- a/synapse/python_dependencies.py
+++ b/synapse/python_dependencies.py
@@ -85,7 +85,7 @@ CONDITIONAL_REQUIREMENTS = {
 
     "saml2": ["pysaml2>=4.5.0"],
     "url_preview": ["lxml>=3.5.0"],
-    "test": ["mock>=2.0"],
+    "test": ["mock>=2.0", "parameterized"],
 }