diff --git a/pkgs/by-name/se/searxng/package.nix b/pkgs/by-name/se/searxng/package.nix
index 21f265ff37213..9f7506665a404 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"
     ];
diff --git a/pkgs/development/python-modules/flask-babel/default.nix b/pkgs/development/python-modules/flask-babel/default.nix
index bac80640b1acc..558f2937958f9 100644
--- a/pkgs/development/python-modules/flask-babel/default.nix
+++ b/pkgs/development/python-modules/flask-babel/default.nix
@@ -2,6 +2,7 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  fetchpatch,
 
   # build-system
   poetry-core,
@@ -23,28 +24,38 @@
 
 buildPythonPackage rec {
   pname = "flask-babel";
-  version = "4.0.0";
-  format = "pyproject";
+  version = "4.1.0";
+  pyproject = true;
+
+  outputs = [
+    "out"
+    "doc"
+  ];
 
   src = fetchFromGitHub {
     owner = "python-babel";
     repo = "flask-babel";
     tag = "v${version}";
-    hash = "sha256-BAT+oupy4MCSjeZ4hFtSKMkGU9xZtc7Phnz1mIsb2Kc=";
+    hash = "sha256-NcwcMLGabWrjbFZhDU1MVWpqAm0prBlqHfTdLV7EqoI=";
   };
 
-  outputs = [
-    "out"
-    "doc"
+  patches = [
+    # Fix list-translations() ordering in tests
+    # https://github.com/python-babel/flask-babel/pull/242
+    (fetchpatch {
+      url = "https://github.com/python-babel/flask-babel/pull/242/commits/999735d825ee2f94701da29bcf819ad70ee03499.patch";
+      hash = "sha256-vhP/aSWaWpy1sVOJAcrLHJN/yrB+McWO9pkXDI9GeQ4=";
+    })
   ];
 
   nativeBuildInputs = [
     furo
-    poetry-core
     sphinxHook
   ];
 
-  propagatedBuildInputs = [
+  build-system = [ poetry-core ];
+
+  dependencies = [
     babel
     flask
     jinja2