diff --git a/mkdocs/utils/filters.py b/mkdocs/utils/filters.py
index e7fb163e4f..b60be55ef8 100644
--- a/mkdocs/utils/filters.py
+++ b/mkdocs/utils/filters.py
@@ -3,6 +3,11 @@
 import jinja2
 import markupsafe
 
+try:
+    from jinja2 import pass_context as contextfilter
+except ImportError:
+    from jinja2 import contextfilter
+
 from mkdocs.utils import normalize_url
 
 
@@ -10,7 +15,7 @@ def tojson(obj, **kwargs):
     return markupsafe.Markup(json.dumps(obj, **kwargs))
 
 
-@jinja2.contextfilter
+@contextfilter
 def url_filter(context, value):
     """ A Template filter to normalize URLs. """
     return normalize_url(value, page=context['page'], base=context['base_url'])