diff --git a/requirements.txt b/requirements.txt
index 6109599..1de81d1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -67,7 +67,7 @@ pycodestyle==2.5.0
 pycparser==2.19
 Pygments==2.5.2
 pylint==2.3.1
-pyo==1.0.1
+pyo==1.0.3
 pyOpenSSL==19.1.0
 pyparsing==2.4.5
 pyreadline==2.1