diff --git a/doc-requirements.txt b/doc-requirements.txt
index 30f558aec..f40adb1a3 100644
--- a/doc-requirements.txt
+++ b/doc-requirements.txt
@@ -186,7 +186,7 @@ toolz==0.12.0
     #   dask
     #   distributed
     #   partd
-tornado==6.4.1
+tornado==6.4.2
     # via distributed
 urllib3==2.2.2
     # via
diff --git a/test-requirements.txt b/test-requirements.txt
index 4a75b8afa..05a380392 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -182,7 +182,7 @@ toolz==0.12.0
     #   dask
     #   distributed
     #   partd
-tornado==6.4.1
+tornado==6.4.2
     # via distributed
 typing-extensions==4.6.3
     # via