diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 17196984fd92..836f2a08cc68 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -1217,6 +1217,7 @@ mapAliases {
   mq-cli = throw "'mq-cli' has been removed due to lack of upstream maintenance"; # Added 2025-01-25
   mrkd = throw "'mrkd' has been removed as it is unmaintained since 2021"; # Added 2024-12-21
   msp430NewlibCross = msp430Newlib; # Added 2024-09-06
+  mumps_par = lib.warnOnInstantiate "mumps_par has been renamed to mumps-mpi" mumps-mpi; # Added 2025-05-07
   mupdf_1_17 = throw "'mupdf_1_17' has been removed due to being outdated and insecure. Consider using 'mupdf' instead."; # Added 2024-08-22
   music-player = throw "'music-player' has been removed due to lack of maintenance upstream. Consider using 'fum' or 'termusic' instead."; # Added 2025-05-02
   mustache-tcl = tclPackages.mustache-tcl; # Added 2024-10-02
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index c37be36c62f3..cf224e5838c6 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -405,7 +405,7 @@ with pkgs;
 
   buildcatrust = with python3.pkgs; toPythonApplication buildcatrust;
 
-  mumps_par = callPackage ../by-name/mu/mumps/package.nix { mpiSupport = true; };
+  mumps-mpi = callPackage ../by-name/mu/mumps/package.nix { mpiSupport = true; };
 
   protoc-gen-grpc-web = callPackage ../development/tools/protoc-gen-grpc-web {
     protobuf = protobuf_21;