1 files changed, 2 insertions, 1 deletions
diff --git a/synapse/python_dependencies.py b/synapse/python_dependencies.py
index 86162e0f2c..f43fbb5842 100644
--- a/synapse/python_dependencies.py
+++ b/synapse/python_dependencies.py
@@ -87,7 +87,8 @@ REQUIREMENTS = [
     # We enforce that we have a `cryptography` version that bundles an `openssl`
     # with the latest security patches.
     "cryptography>=3.4.7",
-    "ijson>=3.1",
+    # ijson 3.1.4 fixes a bug with "." in property names
+    "ijson>=3.1.4",
     "matrix-common~=1.1.0",
 ]