diff --git a/pkgs/by-name/oc/octopus/package.nix b/pkgs/by-name/oc/octopus/package.nix
index fbb2c30694e3..199e729221b9 100644
--- a/pkgs/by-name/oc/octopus/package.nix
+++ b/pkgs/by-name/oc/octopus/package.nix
@@ -31,13 +31,13 @@ assert (blas.isILP64 == arpack.isILP64);
 
 stdenv.mkDerivation rec {
   pname = "octopus";
-  version = "14.1";
+  version = "15.1";
 
   src = fetchFromGitLab {
     owner = "octopus-code";
     repo = "octopus";
     rev = version;
-    hash = "sha256-8wZR+bYdxJFsUPMWbIGYxRdNzjLgHm+KFLjY7fSN7io=";
+    hash = "sha256-vG1HUkuNUZkhBumoJJy3AyFU6cZOo1YGmaOYcU6bPOM=";
   };
 
   nativeBuildInputs = [