diff --git a/ansible/vagrant.yml b/ansible/vagrant.yml
index 6b19ada..fbfecfb 100644
--- a/ansible/vagrant.yml
+++ b/ansible/vagrant.yml
@@ -46,9 +46,10 @@
         name={{ item }}
       with_items:
         - beautifulsoup4
-        - cookiecutter==1.2.1
+        - cookiecutter==1.4.0
         - flickr2markdown
         - ipython[notebook]==2.4.1
+        - jinja2-slug
         - markdown
         - pelican==3.6.3
         - tzlocal
diff --git a/cookiecutter-new-post/cookiecutter.json b/cookiecutter-new-post/cookiecutter.json
index 636ea4a..b73895a 100644
--- a/cookiecutter-new-post/cookiecutter.json
+++ b/cookiecutter-new-post/cookiecutter.json
@@ -1,7 +1,8 @@
 {
 	"repo_name": "content",
 	"title": "Title",
-	"slug": "{{ cookiecutter.title|lower|replace(' - ', ' ')|replace(' ', '-')|replace(':', '')|replace(',', '')|replace('_', '-')|replace('ä', 'ae')|replace('ö', 'oe')|replace('ü', 'ue')|replace('ß', 'ss') }}",
+	"slug": "{{ cookiecutter.title|slug }}",
 	"tags": "tags, goes, here",
-	"date": "{{ cookieicutter.date }}"
+	"date": "{{ cookieicutter.date }}",
+        "_extensions": ["jinja2_slug.SlugExtension"]
 }