diff --git a/tailbone/templates/base.mako b/tailbone/templates/base.mako
index 6a5ed524..cf348b3f 100644
--- a/tailbone/templates/base.mako
+++ b/tailbone/templates/base.mako
@@ -167,13 +167,13 @@
   ${h.stylesheet_link(request.static_url('tailbone:static/css/jquery.ui.menubar.css'))}
   ${h.stylesheet_link(request.static_url('tailbone:static/css/jquery.loadmask.css'))}
   ${h.stylesheet_link(request.static_url('tailbone:static/css/jquery.ui.timepicker.css'))}
-  ${h.stylesheet_link(request.static_url('tailbone:static/css/jquery.ui.tailbone.css'))}
-  ${h.stylesheet_link(request.static_url('tailbone:static/css/base.css'))}
-  ${h.stylesheet_link(request.static_url('tailbone:static/css/layout.css'))}
-  ${h.stylesheet_link(request.static_url('tailbone:static/css/grids.css'))}
-  ${h.stylesheet_link(request.static_url('tailbone:static/css/filters.css'))}
-  ${h.stylesheet_link(request.static_url('tailbone:static/css/forms.css'))}
-  ${h.stylesheet_link(request.static_url('tailbone:static/css/diffs.css'))}
+  ${h.stylesheet_link(request.static_url('tailbone:static/css/jquery.ui.tailbone.css') + '?ver={}'.format(tailbone.__version__))}
+  ${h.stylesheet_link(request.static_url('tailbone:static/css/base.css') + '?ver={}'.format(tailbone.__version__))}
+  ${h.stylesheet_link(request.static_url('tailbone:static/css/layout.css') + '?ver={}'.format(tailbone.__version__))}
+  ${h.stylesheet_link(request.static_url('tailbone:static/css/grids.css') + '?ver={}'.format(tailbone.__version__))}
+  ${h.stylesheet_link(request.static_url('tailbone:static/css/filters.css') + '?ver={}'.format(tailbone.__version__))}
+  ${h.stylesheet_link(request.static_url('tailbone:static/css/forms.css') + '?ver={}'.format(tailbone.__version__))}
+  ${h.stylesheet_link(request.static_url('tailbone:static/css/diffs.css') + '?ver={}'.format(tailbone.__version__))}
 </%def>
 
 <%def name="jquery_theme()">