diff --git a/requirements.txt b/requirements.txt
index 3fd9782..4d1ad69 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,10 +3,10 @@ Jinja2==2.7.3
 LEPL==5.1.3
 MarkupSafe==0.23
 PasteDeploy==1.5.2
-PyYAML==3.11
+PyYAML==5.4
 Pygments==2.0.2
 Sphinx==1.3.1
-WebOb==1.4.1
+WebOb==1.6.0a0
 WebTest==2.0.18
 beautifulsoup4==4.3.2
 boto==2.31.1
@@ -25,7 +25,7 @@ pbkdf2==1.3
 py==1.4.26
 pycrypto==2.6.1
 pyramid-exclog==0.7
-pyramid==1.5.7
+pyramid==1.6a2
 pytest==2.6.4
 python-coveralls==2.5.0
 pytz==2014.10