diff --git a/requirements.txt b/requirements.txt
index be2f173..71a0030 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,5 @@ wheel
 requests==2.32.3
 pyvmomi==8.0.2.0.1
 aiodns==3.0.0
+pycares==4.0.0
 pyyaml==6.0.1