diff --git a/pkgs/development/tools/continuous-integration/buildbot/master.nix b/pkgs/development/tools/continuous-integration/buildbot/master.nix
index 714e1d42f915..d4c08cafbf26 100644
--- a/pkgs/development/tools/continuous-integration/buildbot/master.nix
+++ b/pkgs/development/tools/continuous-integration/buildbot/master.nix
@@ -65,14 +65,14 @@ let
 
   package = buildPythonApplication rec {
     pname = "buildbot";
-    version = "3.9.0";
+    version = "3.9.2";
     format = "setuptools";
 
     disabled = pythonOlder "3.7";
 
     src = fetchPypi {
       inherit pname version;
-      hash = "sha256-NP2nk9uVIyZOyil4KX+NyG1Z9YTSxDVA2ceMuO6JNH4=";
+      hash = "sha256-7QhIMUpzmxbh8qjz0hgqzibLkWADhTV523neo1wpGSA=";
     };
 
     propagatedBuildInputs = [
diff --git a/pkgs/development/tools/continuous-integration/buildbot/pkg.nix b/pkgs/development/tools/continuous-integration/buildbot/pkg.nix
index 55b8bdccb048..2af7289000e2 100644
--- a/pkgs/development/tools/continuous-integration/buildbot/pkg.nix
+++ b/pkgs/development/tools/continuous-integration/buildbot/pkg.nix
@@ -6,7 +6,7 @@ buildPythonPackage rec {
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-y0BRDB2L7aWCJJ25oL2HZ80ijZ2Ebm5d5WY0UnFgbo8=";
+    hash = "sha256-HmkJHN81AcQdKrA/XnH3REURCssXnzmoKjcmvinfzFo=";
   };
 
   postPatch = ''
diff --git a/pkgs/development/tools/continuous-integration/buildbot/plugins.nix b/pkgs/development/tools/continuous-integration/buildbot/plugins.nix
index 495fa6dd50b1..7cc6136b53fb 100644
--- a/pkgs/development/tools/continuous-integration/buildbot/plugins.nix
+++ b/pkgs/development/tools/continuous-integration/buildbot/plugins.nix
@@ -8,7 +8,7 @@
 
     src = fetchPypi {
       inherit pname version;
-      hash = "sha256-jdeVojfC421cxjXYFjlmIeEBuraqMnukAO1QZVPE2Oc=";
+      hash = "sha256-fwWzgIf0/+UiKRyiFUKPN4WUbmxQE5sU/ChAOqqLHE4=";
     };
 
     # Remove unnecessary circular dependency on buildbot
@@ -35,7 +35,7 @@
 
     src = fetchPypi {
       inherit pname version;
-      hash = "sha256-JFzdK/DkPxwoPRaEbULNw3O3NGEIlMGrDKTVICAxdkI=";
+      hash = "sha256-ghCmbUw/Gj23J5X3fDn/FGkVvXUE9QWrPFTRXSsxEZ4=";
     };
 
     buildInputs = [ buildbot-pkg ];
@@ -57,7 +57,7 @@
 
     src = fetchPypi {
       inherit pname version;
-      hash = "sha256-+PrGubM/EOw1QTUyYPy51PzuOVZ8rjCcZpeIUybm3q8=";
+      hash = "sha256-B+xUsZBQWt4TwiBqukHO6o0R0XbjLxbCxQKLaWW0/Fw=";
     };
 
     buildInputs = [ buildbot-pkg ];
@@ -79,7 +79,7 @@
 
     src = fetchPypi {
       inherit pname version;
-      hash = "sha256-k93slBfR0rTJ0hmXG3nAMU/ar9hjX9+BPXD87DajaTU=";
+      hash = "sha256-LFZ3VquRHAHkRcQbw9apOlGlWCK42WT1tPGhW8zSXyo=";
     };
 
     buildInputs = [ buildbot-pkg ];
@@ -101,7 +101,7 @@
 
     src = fetchPypi {
       inherit pname version;
-      hash = "sha256-oKIHLllzeyAm2BsVbZE68h53V1WQjWlYDLpd73FVOe0=";
+      hash = "sha256-NGI4T0eVV4MxYpD7+BTKbi3r6USt28lXXInrgSd4ASU=";
     };
 
     buildInputs = [ buildbot-pkg ];
@@ -123,7 +123,7 @@
 
     src = fetchPypi {
       inherit pname version;
-      hash = "sha256-XPStbcijZJTmaR2mjyWSY1UCZmHpS7xF/vg/CsMR6+4=";
+      hash = "sha256-BtKA8zuJEyg3q3GnHS4XSGBLBk3IqCR8NOKui2rIn6Q=";
     };
 
     buildInputs = [ buildbot-pkg ];
diff --git a/pkgs/development/tools/continuous-integration/buildbot/worker.nix b/pkgs/development/tools/continuous-integration/buildbot/worker.nix
index 29ee6e2467df..5f3c0efab417 100644
--- a/pkgs/development/tools/continuous-integration/buildbot/worker.nix
+++ b/pkgs/development/tools/continuous-integration/buildbot/worker.nix
@@ -27,7 +27,7 @@ buildPythonPackage (rec {
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-L7TKo+4RDqHVVB/0ujR3jDxD+emvcEHdHTLyHe9jdk4=";
+    hash = "sha256-jI38ZhCcHbjah6lST6YtSZAwaeZPBWsgY3VTUf6s2x8=";
   };
 
   postPatch = ''