diff --git a/changelog.d/10511.feature b/changelog.d/10511.feature
new file mode 100644
index 000000000..f1833b0bd
--- /dev/null
+++ b/changelog.d/10511.feature
@@ -0,0 +1 @@
+Allow setting transaction limit for database connections.
diff --git a/tests/storage/test_txn_limit.py b/tests/storage/test_txn_limit.py
index 9be51f9eb..6ff3ebb13 100644
--- a/tests/storage/test_txn_limit.py
+++ b/tests/storage/test_txn_limit.py
@@ -32,5 +32,5 @@ class SQLTransactionLimitTestCase(unittest.HomeserverTestCase):
         db_pool = self.hs.get_datastores().databases[0]
 
         # force txn limit to roll over at least once
-        for i in range(0, 1001):
+        for _ in range(0, 1001):
             self.get_success_or_raise(db_pool.runInteraction("test_select", do_select))