diff --git a/pkgs/development/python-modules/buildbot/default.nix b/pkgs/development/python-modules/buildbot/default.nix
index 58998398055..de9d036dce1 100644
--- a/pkgs/development/python-modules/buildbot/default.nix
+++ b/pkgs/development/python-modules/buildbot/default.nix
@@ -25,11 +25,11 @@ let
 
   package = buildPythonPackage rec {
     pname = "buildbot";
-    version = "2.9.0";
+    version = "2.9.1";
 
     src = fetchPypi {
       inherit pname version;
-      sha256 = "083aw1h35llx183n66a57565pphk28aqwvxk4hf7bxyjj8qq4k5j";
+      sha256 = "0jh9haxh2mz41ksq86nmgh9xmrrklsjfsvxzymcjiafxnks7jywl";
     };
 
     propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/buildbot/pkg.nix b/pkgs/development/python-modules/buildbot/pkg.nix
index 5f0a95eba8b..2b6c0ecbf86 100644
--- a/pkgs/development/python-modules/buildbot/pkg.nix
+++ b/pkgs/development/python-modules/buildbot/pkg.nix
@@ -6,7 +6,7 @@ buildPythonPackage rec {
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0f3rbg0xb58pmb60m4471qf45xd8y6g1s1vcng63y4yvac25600r";
+    sha256 = "1zp0p48gff5h2sz976vaj7nch1k99i9f6hh5w99yvw5a5ys70l5g";
   };
 
   postPatch = ''
diff --git a/pkgs/development/python-modules/buildbot/plugins.nix b/pkgs/development/python-modules/buildbot/plugins.nix
index 7c11b487551..3aa5084d834 100644
--- a/pkgs/development/python-modules/buildbot/plugins.nix
+++ b/pkgs/development/python-modules/buildbot/plugins.nix
@@ -7,7 +7,7 @@
 
     src = fetchPypi {
       inherit pname version;
-      sha256 = "01b9clm3lyfzhhr124x2x2wgc2q8v4zdvr339xhzflkspqhzckr6";
+      sha256 = "0p91x6qm7mnkjx1d5x0bp40kd89kc4dvnlsyflz5pp9walp480a6";
     };
 
     # Remove unneccessary circular dependency on buildbot
@@ -34,7 +34,7 @@
 
     src = fetchPypi {
       inherit pname version;
-      sha256 = "0yzs3f185ijiaapcy7dznyr6191pixfy6l0qz3pkdbs5wdqgncdz";
+      sha256 = "1fp3618c9sz4bw3776hszgsbd3lzpjq25vy9rkvlsj5hdna3cr1v";
     };
 
     buildInputs = [ buildbot-pkg ];
@@ -56,7 +56,7 @@
 
     src = fetchPypi {
       inherit pname version;
-      sha256 = "1a8s0n5cava84nn45wjd35wnal86g2jhr6fbys0pp9ky7khhk5lb";
+      sha256 = "0mal7p7y66mks6xzsmb29sc8z8d0kzpncj65zlqj4l4aj8zsvq81";
     };
 
     buildInputs = [ buildbot-pkg ];
@@ -78,7 +78,7 @@
 
     src = fetchPypi {
       inherit pname version;
-      sha256 = "00qwqg2wvf2gbq1dghwnck6y451a1635qs1xirag5vza19b9fy92";
+      sha256 = "1cfa9fd05qlaqkjb00rvar8146br06bh84by5miqnjldffir0w17";
     };
 
     buildInputs = [ buildbot-pkg ];
@@ -100,7 +100,7 @@
 
     src = fetchPypi {
       inherit pname version;
-      sha256 = "0lnr25ss54fqdikz05466w8nn2zp94myswh4n1gkysix0chmpxxd";
+      sha256 = "1fax6wb2bqb8ndshry8bx4lxv2w7ghq7zbx49icyjnj8y0j91wmg";
     };
 
     buildInputs = [ buildbot-pkg ];
diff --git a/pkgs/development/python-modules/buildbot/worker.nix b/pkgs/development/python-modules/buildbot/worker.nix
index 1961938c215..dc435885762 100644
--- a/pkgs/development/python-modules/buildbot/worker.nix
+++ b/pkgs/development/python-modules/buildbot/worker.nix
@@ -7,7 +7,7 @@ buildPythonPackage (rec {
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "07rn8qzrvv3ickrzd8rjyd9660x9hv1d16rndzi3a1kp8hw49ni0";
+    sha256 = "0h8bwzs5lg6x8j7afl83zlah2hv5ra2znhvypw8vrv1dc48l2dsb";
   };
 
   propagatedBuildInputs = [ twisted future ];