diff --git a/src/database/pyproject.toml b/src/database/pyproject.toml
index 6c9d9b4..41d8ec4 100644
--- a/src/database/pyproject.toml
+++ b/src/database/pyproject.toml
@@ -30,7 +30,7 @@ classifiers = [
 dependencies = [
     "BL_Python.programming",
 
-    "sqlalchemy ~= 1.4.0",
+    "sqlalchemy >= 1.4,< 2.0",
     "alembic ~= 1.8",
     "sqlalchemy2-stubs ~= 0.0.2a34",
     "injector",