diff --git a/requirements/requirements-codeserver.txt b/requirements/requirements-codeserver.txt
index 6d0dc514f..511fbec01 100644
--- a/requirements/requirements-codeserver.txt
+++ b/requirements/requirements-codeserver.txt
@@ -1,6 +1,6 @@
 pytest
 python-decouple
 requests
-tornado==4.5.3
+tornado==6.3.2
 psutil
 nose==1.3.7