diff --git a/pkgs/development/python-modules/plopp/default.nix b/pkgs/development/python-modules/plopp/default.nix
index 860705b09687..eb02676fa1b6 100644
--- a/pkgs/development/python-modules/plopp/default.nix
+++ b/pkgs/development/python-modules/plopp/default.nix
@@ -36,14 +36,14 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "plopp";
-  version = "26.4.2";
+  version = "26.5.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "scipp";
     repo = "plopp";
     tag = finalAttrs.version;
-    hash = "sha256-nluNaOQKkXolGCgx3Pr0m5OQ6vZbWPfdN7kbNKaVU68=";
+    hash = "sha256-UYEbJtWSTwF4z8Ga+IsCk+yQVT5xMvEENqT+hrbxPEc=";
   };
 
   build-system = [