diff --git a/changelog.d/9782.misc b/changelog.d/9782.misc
new file mode 100644
index 0000000000..ecf49cfee1
--- /dev/null
+++ b/changelog.d/9782.misc
@@ -0,0 +1 @@
+Synapse now requires Python 3.6 or later. It also requires Postgres 9.6 or later or SQLite 3.22 or later.
diff --git a/setup.py b/setup.py
index 2eb70d0bb3..4530df348a 100755
--- a/setup.py
+++ b/setup.py
@@ -129,7 +129,6 @@ setup(
         "Topic :: Communications :: Chat",
         "License :: OSI Approved :: Apache Software License",
         "Programming Language :: Python :: 3 :: Only",
-        "Programming Language :: Python :: 3.5",
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",