diff --git a/pkgs/python-packages.nix b/pkgs/python-packages.nix
--- a/pkgs/python-packages.nix
+++ b/pkgs/python-packages.nix
@@ -68,13 +68,13 @@
     };
   };
   WebOb = super.buildPythonPackage {
-    name = "WebOb-1.3.1";
+    name = "WebOb-1.7.3";
     buildInputs = with self; [];
     doCheck = false;
     propagatedBuildInputs = with self; [];
     src = fetchurl {
-      url = "https://pypi.python.org/packages/16/78/adfc0380b8a0d75b2d543fa7085ba98a573b1ae486d9def88d172b81b9fa/WebOb-1.3.1.tar.gz";
-      md5 = "20918251c5726956ba8fef22d1556177";
+      url = "https://pypi.python.org/packages/46/87/2f96d8d43b2078fae6e1d33fa86b95c228cebed060f4e3c7576cc44ea83b/WebOb-1.7.3.tar.gz";
+      md5 = "350028baffc508e3d23c078118e35316";
     };
     meta = {
       license = [ pkgs.lib.licenses.mit ];
@@ -405,6 +405,32 @@
       license = [ pkgs.lib.licenses.mit ];
     };
   };
+  plaster = super.buildPythonPackage {
+    name = "plaster-0.5";
+    buildInputs = with self; [];
+    doCheck = false;
+    propagatedBuildInputs = with self; [setuptools];
+    src = fetchurl {
+      url = "https://pypi.python.org/packages/99/b3/d7ca1fe31d2b56dba68a238721fda6820770f9c2a3de17a582d4b5b2edcc/plaster-0.5.tar.gz";
+      md5 = "c59345a67a860cfcaa1bd6a81451399d";
+    };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
+  };
+  plaster-pastedeploy = super.buildPythonPackage {
+    name = "plaster-pastedeploy-0.4.1";
+    buildInputs = with self; [];
+    doCheck = false;
+    propagatedBuildInputs = with self; [PasteDeploy plaster];
+    src = fetchurl {
+      url = "https://pypi.python.org/packages/9d/6e/f8be01ed41c94e6c54ac97cf2eb142a702aae0c8cce31c846f785e525b40/plaster_pastedeploy-0.4.1.tar.gz";
+      md5 = "f48d5344b922e56c4978eebf1cd2e0d3";
+    };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
+  };
   prompt-toolkit = super.buildPythonPackage {
     name = "prompt-toolkit-1.0.14";
     buildInputs = with self; [];
@@ -458,13 +484,13 @@
     };
   };
   pyramid = super.buildPythonPackage {
-    name = "pyramid-1.7.4";
+    name = "pyramid-1.9";
     buildInputs = with self; [];
     doCheck = false;
-    propagatedBuildInputs = with self; [setuptools WebOb repoze.lru zope.interface zope.deprecation venusian translationstring PasteDeploy];
+    propagatedBuildInputs = with self; [setuptools WebOb repoze.lru zope.interface zope.deprecation venusian translationstring PasteDeploy plaster plaster-pastedeploy hupper];
     src = fetchurl {
-      url = "https://pypi.python.org/packages/33/91/55f5c661f8923902cd1f68d75f2b937c45e7682857356cf18f0be5493899/pyramid-1.7.4.tar.gz";
-      md5 = "6ef1dfdcff9136d04490410757c4c446";
+      url = "https://pypi.python.org/packages/b0/73/715321e129334f3e41430bede877620175a63ed075fd5d1fd2c25b7cb121/pyramid-1.9.tar.gz";
+      md5 = "aa6c7c568f83151af51eb053ac633bc4";
     };
     meta = {
       license = [ { fullName = "Repoze Public License"; } { fullName = "BSD-derived (http://www.repoze.org/LICENSE.txt)"; } ];
diff --git a/requirements.txt b/requirements.txt
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ infrae.cache==1.0.1
 mercurial==4.1.2
 msgpack-python==0.4.8
 pyramid-jinja2==2.5
-pyramid==1.7.4
+pyramid==1.9.0
 pyramid-mako==1.0.2
 repoze.lru==0.6
 simplejson==3.11.1
@@ -22,7 +22,7 @@ https://code.rhodecode.com/upstream/subv
 
 six==1.9.0
 translationstring==1.3
-WebOb==1.3.1
+WebOb==1.7.3
 wheel==0.29.0
 zope.deprecation==4.1.2
 zope.interface==4.1.3