diff --git a/requirements.txt b/requirements.txt
index d1484a68..e52757ba 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,6 @@
 distro>=1.5.0
 mutagen>=1.44.0
+polib>=1.1.0
 PyQt5 >=5.14.1,<6.0; sys_platform != 'linux'
 pywin32>=228; sys_platform == 'win32'
 semantic-version>=2.0.0,<3.0.0