diff --git a/net-im/py-matrix-synapse/files/patch-synapse_python__dependencies.py b/net-im/py-matrix-synapse/files/patch-synapse_python__dependencies.py
new file mode 100644
index 000000000000..948e0884b6c9
--- /dev/null
+++ b/net-im/py-matrix-synapse/files/patch-synapse_python__dependencies.py
@@ -0,0 +1,11 @@
+--- synapse/python_dependencies.py.orig	2021-05-12 14:24:09 UTC
++++ synapse/python_dependencies.py
+@@ -86,7 +86,7 @@ REQUIREMENTS = [
+     "typing-extensions>=3.7.4",
+     # We enforce that we have a `cryptography` version that bundles an `openssl`
+     # with the latest security patches.
+-    "cryptography>=3.4.7",
++    "cryptography",
+ ]
+ 
+ CONDITIONAL_REQUIREMENTS = {