diff --git a/pkgs/development/python-modules/mpltoolbox/default.nix b/pkgs/development/python-modules/mpltoolbox/default.nix
index 502d6a2b73cf..92f41c1658d6 100644
--- a/pkgs/development/python-modules/mpltoolbox/default.nix
+++ b/pkgs/development/python-modules/mpltoolbox/default.nix
@@ -15,14 +15,14 @@
 
 buildPythonPackage rec {
   pname = "mpltoolbox";
-  version = "25.10.0";
+  version = "26.2.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "scipp";
     repo = "mpltoolbox";
     tag = version;
-    hash = "sha256-hHx2pstLnmvgDea2f+Wyhl+U8gijlhkARsqZ31pgjCU=";
+    hash = "sha256-vEnuTE+YZ8gK+desT4Bt5kqa2TSD0UkSSHKr7Kt8Xlo=";
   };
 
   build-system = [