diff --git a/packages/bookwyrm/package.nix b/packages/bookwyrm/package.nix
index a714be1..096a5be 100644
--- a/packages/bookwyrm/package.nix
+++ b/packages/bookwyrm/package.nix
@@ -92,7 +92,7 @@ mkDerivation {
 		owner = "zedfrigg" ;
 		repo = "bookwyrm" ;
 		rev = "1e0d547db5f9a610e29c27c156d0a30da36a1c51" ;
-		hash = "" ;
+		hash = "sha256-zBq/8tLX5zGShP+RSBBSAYXvp4GD1x0JMXqeMbRgERw=" ;
 	} ;
 
 	dontPatch = true ;