diff --git a/buildout.cfg b/buildout.cfg
index dd0df4953..2f5f3a254 100644
--- a/buildout.cfg
+++ b/buildout.cfg
@@ -11,12 +11,12 @@ eggs =
     sphinx-bootstrap-theme
 
 [versions]
-docutils = 0.12
-Jinja2 = 2.8
+docutils = 0.13.1
+Jinja2 = 2.9.5
 MarkupSafe = 0.23
-Pygments = 2.0.1
-six = 1.8.0
+Pygments = 2.2.0
+six = 1.10.0
 setuptools = 28.6.1
-Sphinx = 1.2.1
+Sphinx = 1.5.2
 z3c.recipe.egg = 2.0.3
 zc.buildout = 2.5.3