diff --git a/packages/bookwyrm/package.nix b/packages/bookwyrm/package.nix
index 6a51cbd..0a5d191 100644
--- a/packages/bookwyrm/package.nix
+++ b/packages/bookwyrm/package.nix
@@ -67,6 +67,7 @@ mkDerivation {
 			jmespath
 			jwcrypto
 			kombu
+			libsass
 			markdown
 			marshmallow
 			multidict