diff --git a/pkgs/development/python-modules/prometheus-flask-exporter/default.nix b/pkgs/development/python-modules/prometheus-flask-exporter/default.nix
new file mode 100644
index 000000000000..dc35aea6cd11
--- /dev/null
+++ b/pkgs/development/python-modules/prometheus-flask-exporter/default.nix
@@ -0,0 +1,31 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, flask
+, prometheus_client
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "prometheus-flask-exporter";
+  version = "0.18.1";
+
+  src = fetchFromGitHub {
+    owner = "rycus86";
+    repo = "prometheus_flask_exporter";
+    rev = version;
+    sha256 = "1dwisp681w0f6zf0000rxd3ksdb48zb9mr38qfdqk2ir24y8w370";
+  };
+
+  propagatedBuildInputs = [ flask prometheus_client ];
+
+  checkInputs = [ pytestCheckHook ];
+  pytestFlagsArray = [ "tests/" ];
+
+  meta = with lib; {
+    description = "Prometheus exporter for Flask applications";
+    homepage = "https://github.com/rycus86/prometheus_flask_exporter";
+    license = licenses.mit;
+    maintainers = with maintainers; [ lbpdt ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 0b5f211684e2..1d7dddcf0ca2 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4721,6 +4721,8 @@ in {
 
   prometheus_client = callPackage ../development/python-modules/prometheus_client { };
 
+  prometheus-flask-exporter = callPackage ../development/python-modules/prometheus-flask-exporter { };
+
   promise = callPackage ../development/python-modules/promise { };
 
   prompt_toolkit = let