diff --git a/SalishSeaTools/envs/requirements.txt b/SalishSeaTools/envs/requirements.txt
index 42157215..4548a3f7 100644
--- a/SalishSeaTools/envs/requirements.txt
+++ b/SalishSeaTools/envs/requirements.txt
@@ -188,7 +188,7 @@ toml==0.10.2
 tomli==2.4.0
 tomli_w==1.2.0
 tomlkit==0.14.0
-tornado==6.5.6
+tornado==6.5.7
 tqdm==4.67.3
 traitlets==5.14.3
 trove-classifiers==2026.1.14.14