diff --git a/requirements.txt b/requirements.txt
index bdaa04b..644e5a3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Django==1.11.1
-mysqlclient==1.3.10
-requests==2.18.1
-urllib3==1.21.1
\ No newline at end of file
+Django>=1.11.27
+mysqlclient>=1.3.10
+requests>=2.20
+urllib3>=1.23