diff --git a/pyproject.toml b/pyproject.toml
index 44ac220..66070e6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ dependencies = [
     "bokeh==3.9.0",
     "uvicorn==0.46.0",
     "scipy==1.17.1",
-    "tzfpy==1.3.0",
+    "tzfpy==1.3.1",
     "deap==1.4.4",
     "requests==2.33.1",
     "pandas==3.0.2",