diff --git a/python-tornado.spec b/python-tornado.spec
index baa6f9b..97d7b25 100644
--- a/python-tornado.spec
+++ b/python-tornado.spec
@@ -11,7 +11,7 @@ ideal for real-time web services.}
 
 Name:           python-%{srcname}
 Version:        6.3.3
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Scalable, non-blocking web server and tools
 
 License:        Apache-2.0 
@@ -59,6 +59,12 @@ This package contains some example applications.
 # Skip the same timing-related tests that upstream skips when run in Travis CI.
 # https://github.com/tornadoweb/tornado/commit/abc5780a06a1edd0177a399a4dd4f39497cb0c57
 export TRAVIS=true
+
+# Increase timeout for tests on riscv64
+%ifarch riscv64
+export ASYNC_TEST_TIMEOUT=80
+%endif
+
 %{py3_test_envvars} %{python3} -m tornado.test
 
 %files -n python3-%{srcname} -f %{pyproject_files}
@@ -69,6 +75,9 @@ export TRAVIS=true
 %doc demos
 
 %changelog
+* Fri Jun 07 2024 Richard W.M. Jones <rjones@redhat.com> - 6.3.3-4
+- Increase timeout for tests on riscv64
+
 * Fri Jan 26 2024 Fedora Release Engineering <releng@fedoraproject.org> - 6.3.3-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild