1 files changed, 2 insertions, 2 deletions
diff --git a/synapse/python_dependencies.py b/synapse/python_dependencies.py
index 8f48a33936..b40a7bbb76 100644
--- a/synapse/python_dependencies.py
+++ b/synapse/python_dependencies.py
@@ -83,8 +83,8 @@ REQUIREMENTS = [
     # ijson 3.1.4 fixes a bug with "." in property names
     "ijson>=3.1.4",
     "matrix-common~=1.1.0",
-    # For runtime introspection of our dependencies
-    "packaging~=21.3",
+    # We need packaging.requirements.Requirement, added in 16.1.
+    "packaging>=16.1",
 ]
 
 CONDITIONAL_REQUIREMENTS = {