diff --git a/pkgs/development/octave-modules/datatypes/default.nix b/pkgs/development/octave-modules/datatypes/default.nix
index 1be6a219be3e..cab09eb45a8a 100644
--- a/pkgs/development/octave-modules/datatypes/default.nix
+++ b/pkgs/development/octave-modules/datatypes/default.nix
@@ -7,13 +7,13 @@
 
 buildOctavePackage rec {
   pname = "datatypes";
-  version = "1.2.5";
+  version = "1.2.6";
 
   src = fetchFromGitHub {
     owner = "pr0m1th3as";
     repo = "datatypes";
     tag = "release-${version}";
-    sha256 = "sha256-e7xHit/EvsNCzWWA5tuqVMwoUvJo09gNma7RrDd2ib0=";
+    sha256 = "sha256-8gOBjU9YJbS90iR/dgUzg5DHdb3x5PmEqmaDUbRZAyM=";
   };
 
   passthru.updateScript = nix-update-script { extraArgs = [ "--version-regex=release-(.*)" ]; };