diff --git a/pkgs/development/python-modules/posthog/default.nix b/pkgs/development/python-modules/posthog/default.nix
index 032cb278bd3e..944af3c4f07c 100644
--- a/pkgs/development/python-modules/posthog/default.nix
+++ b/pkgs/development/python-modules/posthog/default.nix
@@ -19,14 +19,14 @@
 
 buildPythonPackage rec {
   pname = "posthog";
-  version = "4.0.1";
+  version = "4.2.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "PostHog";
     repo = "posthog-python";
     tag = "v${version}";
-    hash = "sha256-JEoltzbpbHOehdqaKkGJbrcjaOXC7wDQh++S/klsW9o=";
+    hash = "sha256-RpD4+NuClYmmXCn9eBa2oxMW3TwvVZcTkgaV+mNOkYU=";
   };
 
   build-system = [ setuptools ];