diff --git a/pkgs/by-name/se/searxng/package.nix b/pkgs/by-name/se/searxng/package.nix
index 21f265ff3721..9f7506665a40 100644
--- a/pkgs/by-name/se/searxng/package.nix
+++ b/pkgs/by-name/se/searxng/package.nix
@@ -32,6 +32,7 @@ python.pkgs.toPythonModule (
     pythonRelaxDeps = [
       "certifi"
       "flask"
+      "flask-babel"
       "httpx-socks"
       "lxml"
     ];