diff --git a/requirements.txt b/requirements.txt
index ae4253f4..7c179143 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,4 +9,4 @@ opencv-python==3.4.2.17
 pycairo==1.17.1; sys_platform == 'linux'
 pycairo>=1.18.0; sys_platform == 'win32'
 pydub==0.23.0
-pyreadline==2.1
+pyreadline==2.1; sys_platform == 'win32'