diff --git a/pkgs/development/python-modules/xml2rfc/default.nix b/pkgs/development/python-modules/xml2rfc/default.nix
index d5795ddf969..d02b7e2e066 100644
--- a/pkgs/development/python-modules/xml2rfc/default.nix
+++ b/pkgs/development/python-modules/xml2rfc/default.nix
@@ -1,5 +1,5 @@
 { lib, fetchPypi, buildPythonPackage, intervaltree, pyflakes, requests, lxml, google-i18n-address
-, pycountry, html5lib, six, kitchen, pypdf2, dict2xml, weasyprint
+, pycountry, html5lib, six, kitchen, pypdf2, dict2xml, weasyprint, pyyaml, jinja2
 , stdenv
 }:
 
@@ -14,7 +14,9 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [
     intervaltree
+    jinja2
     pyflakes
+    pyyaml
     requests
     lxml
     google-i18n-address