diff --git a/pkgs/development/python-modules/libmobility/default.nix b/pkgs/development/python-modules/libmobility/default.nix
index 55be45cb8425..e99cf9f8b0e6 100644
--- a/pkgs/development/python-modules/libmobility/default.nix
+++ b/pkgs/development/python-modules/libmobility/default.nix
@@ -39,7 +39,7 @@ let
 in
 buildPythonPackage.override { stdenv = cudaPackages.backendStdenv; } (finalAttrs: {
   pname = "libmobility";
-  version = "1.1.2";
+  version = "1.2.0";
   pyproject = true;
   __structuredAttrs = true;
 
@@ -47,7 +47,7 @@ buildPythonPackage.override { stdenv = cudaPackages.backendStdenv; } (finalAttrs
     owner = "stochasticHydroTools";
     repo = "libMobility";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-7jUpVR4bS9vkgeKN68of6VNZzGPlQMcRMBStQ+wFEx4=";
+    hash = "sha256-8GOQ+TY7WXIEzI+n3W+IpuEg+N5ZscjsAoE49Ob6uDQ=";
   };
 
   postPatch =