diff --git a/pyperformance/data-files/benchmarks/bm_tornado_http/requirements.txt b/pyperformance/data-files/benchmarks/bm_tornado_http/requirements.txt
index c66ec50c..ca2eb1c6 100644
--- a/pyperformance/data-files/benchmarks/bm_tornado_http/requirements.txt
+++ b/pyperformance/data-files/benchmarks/bm_tornado_http/requirements.txt
@@ -1 +1 @@
-tornado==6.3.2
+tornado==6.1