diff --git a/requirements.txt b/requirements.txt
index 88fbe09..7d77407 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,12 +1,12 @@
 CouchDB==1.0
-Jinja2==2.7.3
+Jinja2==2.11.3
 LEPL==5.1.3
 MarkupSafe==0.23
 PasteDeploy==1.5.2
-PyYAML==3.11
-Pygments==2.0.2
-Sphinx==1.3.1
-WebOb==1.4.1
+PyYAML==5.4
+Pygments==2.7.4
+Sphinx==3.0.4
+WebOb==1.6.0a0
 WebTest==2.0.18
 beautifulsoup4==4.3.2
 boto==2.31.1