diff --git a/docs/requirements.txt b/docs/requirements.txt
index 09289fdb..a38e14eb 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -5,4 +5,4 @@ sphinx-copybutton
 sphinx-autobuild
 sphinxext-opengraph
 numpy>=1.22.2 # not directly required, pinned by Snyk to avoid a vulnerability
-tornado>=6.3.2 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file
+tornado>=6.3.3 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file