diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index 16956fd8..6392348b 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -32,7 +32,7 @@ dependencies = [
     "pymssql (>=2.3.4,<3.0.0)",
     "pandas (>=2.2.3,<3.0.0)",
     "openpyxl (>=3.1.5,<4.0.0)",
-    "psycopg2 (>=2.9.10,<3.0.0)",
+    "psycopg2-binary (>=2.9.10,<3.0.0)",
     "oracledb (>=3.1.1,<4.0.0)"
 ]
 [[tool.uv.index]]