diff --git a/pkgs/development/python-modules/strict-rfc3339/default.nix b/pkgs/development/python-modules/strict-rfc3339/default.nix
new file mode 100644
index 000000000000..7f45f326903a
--- /dev/null
+++ b/pkgs/development/python-modules/strict-rfc3339/default.nix
@@ -0,0 +1,20 @@
+{ stdenv, buildPythonPackage, fetchPypi }:
+
+buildPythonPackage rec {
+  pname = "strict-rfc3339";
+  version = "0.7";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "5cad17bedfc3af57b399db0fed32771f18fc54bbd917e85546088607ac5e1277";
+  };
+
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    homepage = "https://github.com/danielrichman/strict-rfc3339";
+    license = licenses.gpl3;
+    description = "Strict, simple, lightweight RFC3339 functions";
+    maintainers = with maintainers; [ vanschelven ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index e20b02890341..e21463ab93f9 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5445,6 +5445,8 @@ in {
 
   stripe = callPackage ../development/python-modules/stripe { };
 
+  strict-rfc3339 = callPackage ../development/python-modules/strict-rfc3339 { };
+
   twilio = callPackage ../development/python-modules/twilio { };
 
   uranium = callPackage ../development/python-modules/uranium { };