diff --git a/pkgs/tools/misc/vdirsyncer/default.nix b/pkgs/tools/misc/vdirsyncer/default.nix
index 04e88fd98d5f..890186992637 100644
--- a/pkgs/tools/misc/vdirsyncer/default.nix
+++ b/pkgs/tools/misc/vdirsyncer/default.nix
@@ -1,13 +1,13 @@
 { stdenv, fetchurl, pythonPackages }:
 
 pythonPackages.buildPythonPackage rec {
-  version = "0.7.3";
+  version = "0.8.1";
   name = "vdirsyncer-${version}";
   namePrefix = "";
 
   src = fetchurl {
     url = "https://pypi.python.org/packages/source/v/vdirsyncer/${name}.tar.gz";
-    sha256 = "0ahi5ngqwsrv30bgziz35dx4gif7rbn9vqv340pigbzmywjxz1ry";
+    sha256 = "1abflqw6x30xd2dlj58cr5n62x98kc0ia9f9vr8l64k2z1fjlq78";
   };
 
   propagatedBuildInputs = with pythonPackages; [
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 169a2e17514a..b6757094e896 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -17562,16 +17562,18 @@ in modules // {
   };
 
   requests_toolbelt = buildPythonPackage rec {
-    version = "0.4.0";
+    version = "0.6.0";
     name = "requests-toolbelt-${version}";
 
     src = pkgs.fetchurl {
       url = "https://github.com/sigmavirus24/requests-toolbelt/archive/${version}.tar.gz";
-      sha256 = "0zvfz4c9lqiwh2qh51rba6ckpjl3pbp9fcm0ri58qhcjd8mh8k34";
+      sha256 = "192pz6i1fp8vc1qasg6ccxpdsmpbqi3fqf5bgx3vpadp5x0rrz4f";
     };
 
     propagatedBuildInputs = with self; [ requests2 ];
 
+    buildInputs = with self; [ betamax ];
+
     meta = {
       description = "A toolbelt of useful classes and functions to be used with python-requests";
       homepage = http://toolbelt.rtfd.org;