diff --git a/requirements.txt b/requirements.txt
index aae5014..d3abd12 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 ptyprocess==0.6.0
-pycoax==0.4.0
+pycoax==0.4.2
 pyserial==3.4
 pyte==0.8.0
 pytn3270==0.5.0