diff --git a/pkgs/development/tools/build-managers/buildbot/default.nix b/pkgs/development/tools/build-managers/buildbot/default.nix
index 2ed436981e0..a2d77f0321a 100644
--- a/pkgs/development/tools/build-managers/buildbot/default.nix
+++ b/pkgs/development/tools/build-managers/buildbot/default.nix
@@ -3,6 +3,7 @@
 let
   withPlugins = plugins: runCommand "wrapped-${package.name}" {
     buildInputs = [ makeWrapper ] ++ plugins;
+    propagatedBuildInputs = package.propagatedBuildInputs;
     passthru.withPlugins = moarPlugins: withPlugins (moarPlugins ++ plugins);
   } ''
     makeWrapper ${package}/bin/buildbot $out/bin/buildbot \
@@ -10,14 +11,14 @@ let
     ln -sfv ${package}/lib $out/lib
   '';
 
-  package = pythonPackages.buildPythonApplication (rec {
+  package = pythonPackages.buildPythonApplication rec {
     name = "${pname}-${version}";
     pname = "buildbot";
-    version = "0.9.9.post2";
+    version = "0.9.11";
 
     src = pythonPackages.fetchPypi {
       inherit pname version;
-      sha256 = "0g932pvkxqq3ijwkwwa29jd9sp5895gv40c3k7m2acc5dp8ygb9w";
+      sha256 = "1s3y218wry7502xp4zxccf3z996xm8cnp3dcxl7m5ldmmb055qwv";
     };
 
     buildInputs = with pythonPackages; [
@@ -39,7 +40,6 @@ let
     ];
 
     propagatedBuildInputs = with pythonPackages; [
-
       # core
       twisted
       jinja2
@@ -87,5 +87,5 @@ let
       maintainers = with maintainers; [ nand0p ryansydnor ];
       license = licenses.gpl2;
     };
-  });
+  };
 in package
diff --git a/pkgs/development/tools/build-managers/buildbot/worker.nix b/pkgs/development/tools/build-managers/buildbot/worker.nix
index f87e8db8555..4fe728b9ce6 100644
--- a/pkgs/development/tools/build-managers/buildbot/worker.nix
+++ b/pkgs/development/tools/build-managers/buildbot/worker.nix
@@ -3,11 +3,11 @@
 pythonPackages.buildPythonApplication (rec {
   name = "${pname}-${version}";
   pname = "buildbot-worker";
-  version = "0.9.9.post2";
+  version = "0.9.11";
 
   src = pythonPackages.fetchPypi {
     inherit pname version;
-    sha256 = "1wb2fw0djamhn1sb7rwnf12i4ijdq9y4k33ri7dcwxxcavxsvqa0";
+    sha256 = "0lb8kwg3m9jgrww929d5nrjs4rj489mb4dnsdxcbdb358jbbym22";
   };
 
   buildInputs = with pythonPackages; [ setuptoolsTrial mock ];