diff --git a/ncbi_blast/.devcontainer/requirements.txt b/ncbi_blast/.devcontainer/requirements.txt
index ecda69d..83c9bf3 100644
--- a/ncbi_blast/.devcontainer/requirements.txt
+++ b/ncbi_blast/.devcontainer/requirements.txt
@@ -72,7 +72,7 @@ sniffio==1.2.0
 terminado==0.10.1
 testpath==0.5.0
 toml==0.10.2
-tornado==6.5.5
+tornado==6.5.6
 traitlets==5.0.5
 urllib3==2.7.0
 wcwidth==0.2.5