diff --git a/pkgs/development/python-modules/flask-swagger-ui/default.nix b/pkgs/development/python-modules/flask-swagger-ui/default.nix
new file mode 100644
index 000000000000..a281864117bc
--- /dev/null
+++ b/pkgs/development/python-modules/flask-swagger-ui/default.nix
@@ -0,0 +1,24 @@
+{ stdenv, buildPythonPackage, fetchPypi, flask }:
+
+buildPythonPackage rec {
+  pname = "flask-swagger-ui";
+  version = "3.20.9";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "3282c770764c8053360f33b2fc120e1d169ecca2138537d0e6e1135b1f9d4ff2";
+  };
+
+  doCheck = false;  # there are no tests
+
+  propagatedBuildInputs = [
+    flask
+  ];
+
+  meta = with stdenv.lib; {
+    homepage = "https://github.com/sveint/flask-swagger-ui";
+    license = licenses.mit;
+    description = "Swagger UI blueprint for Flask";
+    maintainers = with maintainers; [ vanschelven ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 6180a22ca219..e9a896d7de93 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3430,6 +3430,8 @@ in {
 
   flask-swagger = callPackage ../development/python-modules/flask-swagger { };
 
+  flask-swagger-ui = callPackage ../development/python-modules/flask-swagger-ui { };
+
   flask_testing = callPackage ../development/python-modules/flask-testing { };
 
   flask_wtf = callPackage ../development/python-modules/flask-wtf { };