diff --git a/requirements.txt b/requirements.txt
index 1c8a554..aa89154 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,3 +7,4 @@ requests; python_version > '3.5'
 tomli; python_version > '3.5' and python_version < '3.11'
 tomli_w; python_version > '3.5'
 distro; python_version > '3.5'
+python-magic-bin; python_version > '3.5' and platform_system == 'Windows'