diff --git a/pkgs/development/python-modules/pipdeptree/default.nix b/pkgs/development/python-modules/pipdeptree/default.nix
index a7b132c23088..f42041f1a56f 100644
--- a/pkgs/development/python-modules/pipdeptree/default.nix
+++ b/pkgs/development/python-modules/pipdeptree/default.nix
@@ -14,7 +14,7 @@
 
 buildPythonPackage rec {
   pname = "pipdeptree";
-  version = "2.16.2";
+  version = "2.18.1";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -23,7 +23,7 @@ buildPythonPackage rec {
     owner = "tox-dev";
     repo = "pipdeptree";
     rev = "refs/tags/${version}";
-    hash = "sha256-g0O0ndHd2ehBUmHwb0HoWgCGSsqbjmlPFOd6KrkUv2Y=";
+    hash = "sha256-fzxshqh2QurpbilG0gC3NWnUntTRoxOHPpfpg6bPI98=";
   };
 
   build-system = [