diff --git a/requirements.txt b/requirements.txt
index 1b4df51..58b6ca4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -120,7 +120,7 @@ terminado==0.17.1
 threadpoolctl==3.2.0
 tinycss2==1.2.1
 tokenize-rt==5.1.0
-tornado==6.3.2
+tornado==6.3.3
 traitlets==5.9.0
 tzdata==2023.3
 uri-template==1.3.0