diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index d744868f..796d7657 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -34,7 +34,7 @@ dependencies = [
 
 [project.optional-dependencies]
 snowflake = [
-  "snowflake-connector-python>=4,<5",
+  "snowflake-connector-python>=4.6.0,<5",
 ]
 dev = [
   "pytest>=9.0.3",