diff --git a/src/requirements.txt b/src/requirements.txt
index d06b0621..6731414b 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -6,6 +6,6 @@ google-auth-httplib2
 google-auth-oauthlib>=0.4.1
 google-auth>=1.11.2
 httplib2>=0.17.0
-passlib>=1.7.2; sys_platform == 'win32'
+passlib>=1.7.2
 python-dateutil
 yubikey-manager