diff --git a/pyproject.toml b/pyproject.toml
index b75f561..95c8520 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ authors = [
 requires-python = ">=3.11"
 dependencies = [
     "click==8.2.1",
-    "gam7==7.19.0",
+    "gam7==7.28.1",
     "pandas==2.3.3",
     "tzdata",
 ]