diff --git a/pyproject.toml b/pyproject.toml
index 87d1e5c..926253e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ authors = [
 ]
 dependencies = [
     "paramiko==5.0.0",
-    "tornado==6.5.5",
+    "tornado==6.5.6",
 ]
 
 [project.optional-dependencies]