diff --git a/pkgs/applications/misc/buku/default.nix b/pkgs/applications/misc/buku/default.nix
index ac65341d498..98f6e2895d1 100644
--- a/pkgs/applications/misc/buku/default.nix
+++ b/pkgs/applications/misc/buku/default.nix
@@ -27,6 +27,7 @@ with python3.pkgs; buildPythonApplication rec {
     requests
     urllib3
     flask
+    flask-admin
     flask-api
     flask-bootstrap
     flask-paginate