diff --git a/cura-lulzbot.spec b/cura-lulzbot.spec
index 60d0b85..9e82e4e 100644
--- a/cura-lulzbot.spec
+++ b/cura-lulzbot.spec
@@ -1,6 +1,6 @@
 Name:           cura-lulzbot
 Version:        21.08
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        Cura LulzBot Edition, 3D printer control software
 # Code is AGPLv3
 # Example models are CC-BY-SA
@@ -34,11 +34,11 @@ BuildRequires:  python2-devel
 BuildRequires:  dos2unix
 BuildRequires:  desktop-file-utils
 BuildRequires:  gettext
-Requires:       PyOpenGL
-Requires:       wxPython
-Requires:       pyserial
-Requires:       numpy
-Requires:       python-power
+Requires:       python2-pyopengl
+Requires:       python2-wxpython
+Requires:       python2-pyserial
+Requires:       python2-numpy
+Requires:       python2-power
 Requires:       CuraEngine-lulzbot >= 15.04
 # So that it just works
 Requires:	3dprinter-udev-rules
@@ -132,6 +132,10 @@ desktop-file-install --dir=%{buildroot}%{_datadir}/applications %{SOURCE2}
 %{_bindir}/%{name}
 
 %changelog
+* Mon Dec 11 2017 Iryna Shcherbina <ishcherb@redhat.com> - 21.08-3
+- Fix ambiguous Python 2 dependency declarations
+  (See https://fedoraproject.org/wiki/FinalizingFedoraSwitchtoPython3)
+
 * Wed Nov 22 2017 Miro Hrončok <mhroncok@redhat.com> - 21.08-2
 - Rebuilt to get it to f27