diff --git a/pkgs/development/python-modules/supervisor/default.nix b/pkgs/development/python-modules/supervisor/default.nix
index 93dc91b4d10..343aaddfbb5 100644
--- a/pkgs/development/python-modules/supervisor/default.nix
+++ b/pkgs/development/python-modules/supervisor/default.nix
@@ -7,11 +7,11 @@
 
 buildPythonPackage rec {
   pname = "supervisor";
-  version = "4.1.0";
+  version = "4.2.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "2dc86fe0476e945e61483d614ceb2cf4f93b95282eb243bdf792621994360383";
+    sha256 = "64082ebedf6d36ff409ab2878f1aad5c9035f916c5f15a9a1ec7dffc6dfbbed8";
   };
 
   # wants to write to /tmp/foo which is likely already owned by another