diff --git a/pkgs/development/python-modules/colander/default.nix b/pkgs/development/python-modules/colander/default.nix
index 0492e271746..8a4933d1954 100644
--- a/pkgs/development/python-modules/colander/default.nix
+++ b/pkgs/development/python-modules/colander/default.nix
@@ -3,11 +3,11 @@
 
 buildPythonPackage rec {
   pname = "colander";
-  version = "1.8.2";
+  version = "1.8.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "54878d2ffd1afb020daca6cd5c6cfe6c0e44d0069fc825d57fe59aa6e4f6a499";
+    sha256 = "259592a0d6a89cbe63c0c5771f9c0c2522387415af8d715f599583eac659f7d4";
   };
 
   propagatedBuildInputs = [ translationstring iso8601 enum34 ];
diff --git a/pkgs/development/python-modules/colanderalchemy/default.nix b/pkgs/development/python-modules/colanderalchemy/default.nix
index 34e58e0927c..aba5ebf609b 100644
--- a/pkgs/development/python-modules/colanderalchemy/default.nix
+++ b/pkgs/development/python-modules/colanderalchemy/default.nix
@@ -1,6 +1,5 @@
 { stdenv
 , buildPythonPackage
-, fetchpatch
 , fetchPypi
 , unittest2
 , colander
@@ -9,30 +8,21 @@
 
 buildPythonPackage rec {
   pname = "ColanderAlchemy";
-  version = "0.3.3";
+  version = "0.3.4";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "11wcni2xmfmy001rj62q2pwf305vvngkrfm5c4zlwvgbvlsrvnnw";
+    sha256 = "006wcfch2skwvma9bq3l06dyjnz309pa75h1rviq7i4pd9g463bl";
   };
 
-  patches = [
-    (fetchpatch {
-        url = "https://github.com/stefanofontanelli/ColanderAlchemy/commit/b45fe35f2936a5ccb705e9344075191e550af6c9.patch";
-        sha256 = "1kf278wjq49zd6fhpp55vdcawzdd107767shzfck522sv8gr6qvx";
-    })
-  ];
-
-  buildInputs = [ unittest2 ];
   propagatedBuildInputs = [ colander sqlalchemy ];
 
+  # Tests are not included in Pypi
+  doCheck = false;
+
   meta = with stdenv.lib; {
     description = "Autogenerate Colander schemas based on SQLAlchemy models";
     homepage = "https://github.com/stefanofontanelli/ColanderAlchemy";
     license = licenses.mit;
-    # ColanderAlchemy's tests currently fail with colander >1.6.0
-    # (see https://github.com/stefanofontanelli/ColanderAlchemy/issues/107)
-    broken = versionOlder "1.6.0" colander.version;
   };
-
 }