diff --git a/pkgs/development/python-modules/flasgger/default.nix b/pkgs/development/python-modules/flasgger/default.nix
new file mode 100644
index 000000000000..4bb5e9fe30d9
--- /dev/null
+++ b/pkgs/development/python-modules/flasgger/default.nix
@@ -0,0 +1,63 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, fetchpatch
+
+# dependencies
+, flask
+, jsonschema
+, mistune
+, pyyaml
+, six
+, werkzeug
+
+# tests
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "flasgger";
+  version = "0.9.5";
+  format = "setuptools";
+
+  src = fetchFromGitHub {
+    owner = "flasgger";
+    repo = "flasgger";
+    rev = version;
+    hash = "sha256-cYFMKZxpi69gVWqyZUltCL0ZwcfIABNsJKqAhN2TTSg=";
+  };
+
+  patches = [
+    (fetchpatch {
+      # flask 2.3 compat
+      url = "https://github.com/flasgger/flasgger/commit/ab77be7c6de1d4b361f0eacfa37290239963f890.patch";
+      hash = "sha256-ZbE5pPUP23nZAP/qcdeWkwzrZgqJSRES7oFta8U1uVQ=";
+    })
+  ];
+
+  propagatedBuildInputs = [
+    flask
+    jsonschema
+    mistune
+    pyyaml
+    six
+    werkzeug
+  ];
+
+  pythonImportsCheck = [
+    "flasgger"
+  ];
+
+  nativeCheckInputs = [
+    pytestCheckHook
+  ];
+
+  doCheck = false; # missing flex dependency
+
+  meta = with lib; {
+    description = "Easy OpenAPI specs and Swagger UI for your Flask API";
+    homepage = "https://github.com/flasgger/flasgger/";
+    license = licenses.mit;
+    maintainers = with maintainers; [ ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 78847f3f9850..d3e300204e26 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3887,6 +3887,8 @@ self: super: with self; {
 
   flammkuchen = callPackage ../development/python-modules/flammkuchen { };
 
+  flasgger = callPackage ../development/python-modules/flasgger { };
+
   flashtext = callPackage ../development/python-modules/flashtext { };
 
   flask-admin = callPackage ../development/python-modules/flask-admin { };