diff --git a/requirements.txt b/requirements.txt
index 58b5ca6..70b8dd1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ pydantic-settings>=2.1.0,<3.0.0
 influxdb-client~=1.36.1
 mysql-connector-python>=9.1.0
 psycopg2-binary~=2.9.6
-PyMySQL~=1.0.2
-PyYAML~=6.0
-requests~=2.28.1
+PyMySQL>=1.0.2,<2.0.0
+PyYAML>=6.0,<7.0.0
+requests>=2.28.1,<3.0.0
 SQLAlchemy