diff --git a/requirements.txt b/requirements.txt
index 660749a..ac76703 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,4 @@
-ruamel.yaml>=0.15.80
-requests>=2.21.0
+requests==2.25.1
+ruamel.yaml==0.16.13
+ruamel.yaml.clib==0.2.2
+urllib3==1.26.3