diff --git a/pkgs/development/tools/build-managers/buildbot/default.nix b/pkgs/development/tools/build-managers/buildbot/default.nix
index a2d77f0321a..ba4af7e1d66 100644
--- a/pkgs/development/tools/build-managers/buildbot/default.nix
+++ b/pkgs/development/tools/build-managers/buildbot/default.nix
@@ -14,11 +14,11 @@ let
   package = pythonPackages.buildPythonApplication rec {
     name = "${pname}-${version}";
     pname = "buildbot";
-    version = "0.9.11";
+    version = "0.9.15.post1";
 
     src = pythonPackages.fetchPypi {
       inherit pname version;
-      sha256 = "1s3y218wry7502xp4zxccf3z996xm8cnp3dcxl7m5ldmmb055qwv";
+      sha256 = "01m5x4lpz90lqf8j0s2c26gqb5yzan6x9d1ffgmrklwf0bljkwni";
     };
 
     buildInputs = with pythonPackages; [
diff --git a/pkgs/development/tools/build-managers/buildbot/plugins.nix b/pkgs/development/tools/build-managers/buildbot/plugins.nix
index ec4bf161562..d0c91e761f1 100644
--- a/pkgs/development/tools/build-managers/buildbot/plugins.nix
+++ b/pkgs/development/tools/build-managers/buildbot/plugins.nix
@@ -4,11 +4,11 @@ let
   buildbot-pkg = pythonPackages.buildPythonPackage rec {
     name = "${pname}-${version}";
     pname = "buildbot-pkg";
-    version = "0.9.11";
+    version = "0.9.15.post1";
 
     src = pythonPackages.fetchPypi {
       inherit pname version;
-      sha256 = "1gh7wj9z7n7yfs219jbv9pdd2w8dwj6qpa090ffjkfpgd3xana33";
+      sha256 = "0gsa5fi1gkwnz8dsrl2s5kzcfawnj3nl8g8h6z1winz627l9n8sh";
     };
 
     propagatedBuildInputs = with pythonPackages; [ setuptools ];
@@ -32,7 +32,7 @@ in {
 
     src = pythonPackages.fetchPypi {
       inherit pname version format;
-      sha256 = "0fk1swdncg4nha744mzkf6jqh1zv1cfhnqvd19669kjcyjx9i68d";
+      sha256 = "19cnzp5prima3jrk525xspw7vqc5pjln2nihj4kc3w90dhzllj8x";
     };
 
     meta = with stdenv.lib; {
@@ -50,7 +50,7 @@ in {
 
     src = pythonPackages.fetchPypi {
       inherit pname version;
-      sha256 = "16wxgnh35916c2gw34971ynx319lnm9addhqvii885vid44pqim0";
+      sha256 = "1j6aw2j2sl7ix8rb67pbs6nfvv8v3smgkvqzsjsyh5sdfr2663cg";
     };
 
     propagatedBuildInputs = with pythonPackages; [ buildbot-pkg ];
@@ -70,7 +70,7 @@ in {
 
     src = pythonPackages.fetchPypi {
       inherit pname version;
-      sha256 = "1hcr8xsc0ajfg2vz2h8g5s8ypsp32kdplgqp21jh8z5y0a6nzqsl";
+      sha256 = "0k0wd4rq034bij2flfjv60h8czkfn836bnaa7hwsrl58gxds39m4";
     };
 
     propagatedBuildInputs = with pythonPackages; [ buildbot-pkg ];
@@ -90,7 +90,7 @@ in {
 
     src = pythonPackages.fetchPypi {
       inherit pname version;
-      sha256 = "0aw1073xq549q5jkjk31zhqpasp8jiy4gch0fjyw8qy0dax8hc7r";
+      sha256 = "08ng56jmy50s3zyn6wxizji1zhgzhi65z7w3wljg02qrbd5688gj";
     };
 
     propagatedBuildInputs = with pythonPackages; [ buildbot-pkg ];
@@ -110,7 +110,7 @@ in {
 
     src = pythonPackages.fetchPypi {
       inherit pname version;
-      sha256 = "0x99mdmn1ngcnmkxr40hwqafsq48jybdz45y5kpc0yw68n0bfwmv";
+      sha256 = "15fm72yymv873n3vsw9kprypcf6jzln18v4lb062n8lqw9pykwb1";
     };
 
     propagatedBuildInputs = with pythonPackages; [ buildbot-pkg ];
diff --git a/pkgs/development/tools/build-managers/buildbot/worker.nix b/pkgs/development/tools/build-managers/buildbot/worker.nix
index 4fe728b9ce6..51d6a5b5695 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 = "0.9.11";
+  version = "0.9.15.post1";
 
   src = pythonPackages.fetchPypi {
     inherit pname version;
-    sha256 = "0lb8kwg3m9jgrww929d5nrjs4rj489mb4dnsdxcbdb358jbbym22";
+    sha256 = "12zscqb218w88y9fd1jwfn4cr2sw35j998d0jlgd22bch020sy65";
   };
 
   buildInputs = with pythonPackages; [ setuptoolsTrial mock ];