diff --git a/requirements.txt b/requirements.txt
index e067356..54ef82a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-bs4==0.0.1
-pika==1.1.0
-requests==2.22.0
-lxml==4.4.2
+bs4>=0.0.1
+pika>=1.1.0
+requests>=2.22.0
+lxml>=4.5.0
\ No newline at end of file