diff --git a/pkgs/development/python-modules/boto-1.9-python-2.7.patch b/pkgs/development/python-modules/boto-1.9-python-2.7.patch
deleted file mode 100644
index 79ff9a7e4af..00000000000
--- a/pkgs/development/python-modules/boto-1.9-python-2.7.patch
+++ /dev/null
@@ -1,19 +0,0 @@
-Fix Boto 1.9 on Python 2.7.
-
-https://github.com/boto/boto/commit/6760075073c34d6dddb7e13b80dfa8d09f0f4f79
-
-diff --git a/boto/connection.py b/boto/connection.py
-index c5779e2..71942f1 100644
---- a/boto/connection.py
-+++ b/boto/connection.py
-@@ -252,8 +252,9 @@ class AWSAuthConnection(object):
-             # versions, it would append ":443" to the hostname sent
-             # in the Host header and so we needed to make sure we
-             # did the same when calculating the V2 signature.  In 2.6
-+            # (and higher!)
-             # it no longer does that.  Hence, this kludge.
--            if sys.version[:3] == "2.6" and port == 443:
-+            if sys.version[:3] in ('2.6', '2.7') and port == 443:
-                 signature_host = self.host
-             else:
-                 signature_host = '%s:%d' % (self.host, port)
diff --git a/pkgs/development/python-modules/boto/content-length-str.patch b/pkgs/development/python-modules/boto/content-length-str.patch
new file mode 100644
index 00000000000..7895e223c6b
--- /dev/null
+++ b/pkgs/development/python-modules/boto/content-length-str.patch
@@ -0,0 +1,16 @@
+Cherry-picked from https://github.com/boto/boto/pull/2932
+
+This fix is required for things like docker-registry to interact with S3. Will
+be obsolete after the next boto release (> 2.36.0)
+
+--- a/boto/connection.py
++++ b/boto/connection.py
+@@ -381,7 +381,7 @@ class HTTPRequest(object):
+         if 'Content-Length' not in self.headers:
+             if 'Transfer-Encoding' not in self.headers or \
+                     self.headers['Transfer-Encoding'] != 'chunked':
+-                self.headers['Content-Length'] = len(self.body)
++                self.headers['Content-Length'] = str(len(self.body))
+
+
+ class HTTPResponse(http_client.HTTPResponse):
diff --git a/pkgs/tools/virtualization/euca2ools/default.nix b/pkgs/tools/virtualization/euca2ools/default.nix
index 84dc7c3c071..a87dd568322 100644
--- a/pkgs/tools/virtualization/euca2ools/default.nix
+++ b/pkgs/tools/virtualization/euca2ools/default.nix
@@ -1,19 +1,17 @@
 { stdenv, fetchgit, which, pythonPackages }:
 
 pythonPackages.buildPythonPackage rec {
-  name = "euca2ools-2.1.3";
+  name = "euca2ools-2.1.4";
   namePrefix = "";
 
   src = fetchgit {
     url = https://github.com/eucalyptus/euca2ools.git;
-    rev = "8ae2ecc";
-    sha256 = "caef5a3e2c9b515fd815034b5b7304acc878a0b9777ae4208dc033b0bf39da2b";
+    rev = "19cb7eac34dd7efe3a56e4841b9692c03458bf3b";
+    sha256 = "0f52jqw3s79w391lbzlh83lp55j73clvwmn2np4fy6kxc4j49da1";
   };
 
   pythonPath = [ pythonPackages.boto pythonPackages.m2crypto ];
 
-  doCheck = false;
-
   meta = {
     homepage = http://open.eucalyptus.com/downloads;
     description = "Tools for interacting with Amazon EC2/S3-compatible cloud computing services";
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 9e87229f814..8180ebd7097 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1228,7 +1228,7 @@ let
 
   ettercap = callPackage ../applications/networking/sniffers/ettercap { };
 
-  euca2ools = callPackage ../tools/virtualization/euca2ools { pythonPackages = python26Packages; };
+  euca2ools = callPackage ../tools/virtualization/euca2ools { };
 
   evtest = callPackage ../applications/misc/evtest { };
 
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 60cc0578b6f..7c629c9eba1 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1135,6 +1135,8 @@ let
     buildInputs = [ self.nose self.mock ];
     propagatedBuildInputs = [ self.requests self.httpretty ];
 
+    patches = [ ../development/python-modules/boto/content-length-str.patch ];
+
     meta = {
       homepage = https://github.com/boto/boto;
 
@@ -2430,12 +2432,12 @@ let
   };
 
   docker_registry = buildPythonPackage rec {
-    name = "docker-registry-0.9.0";
+    name = "docker-registry-0.9.1";
     disabled = isPy3k;
 
     src = pkgs.fetchurl {
       url = "https://pypi.python.org/packages/source/d/docker-registry/${name}.tar.gz";
-      md5 = "65eb9fd05b94f7f9fbbb5e2e8ca62912";
+      sha256 = "1svm1h59sg4bwj5cy10m016gj0xpiin15nrz5z66h47sbkndvlw3";
     };
 
     DEPS = "loose";
@@ -2443,7 +2445,7 @@ let
     doCheck = false; # requires redis server
     propagatedBuildInputs = with self; [
       setuptools docker_registry_core blinker flask gevent gunicorn pyyaml
-      requests2 rsa sqlalchemy setuptools backports_lzma pyasn1
+      requests2 rsa sqlalchemy9 setuptools backports_lzma pyasn1 m2crypto
     ];
 
     patchPhase = "> requirements/main.txt";