diff --git a/pkgs/by-name/li/libGDSII/package.nix b/pkgs/by-name/li/libgdsii/package.nix
similarity index 97%
rename from pkgs/by-name/li/libGDSII/package.nix
rename to pkgs/by-name/li/libgdsii/package.nix
index 8b66a95d3a23..d7c011932808 100644
--- a/pkgs/by-name/li/libGDSII/package.nix
+++ b/pkgs/by-name/li/libgdsii/package.nix
@@ -6,7 +6,7 @@
 }:
 
 stdenv.mkDerivation (finalAttrs: {
-  pname = "libGDSII";
+  pname = "libgdsii";
   version = "0.21";
 
   src = fetchFromGitHub {
diff --git a/pkgs/development/python-modules/meep/default.nix b/pkgs/development/python-modules/meep/default.nix
index a49a7bce19ca..fe4a2e3a1315 100644
--- a/pkgs/development/python-modules/meep/default.nix
+++ b/pkgs/development/python-modules/meep/default.nix
@@ -17,7 +17,7 @@
   gsl,
   harminv,
   libctl,
-  libGDSII,
+  libgdsii,
   guile,
   mpb,
   python,
@@ -65,7 +65,7 @@ buildPythonPackage rec {
     hdf5-mpi
     harminv
     libctl
-    libGDSII
+    libgdsii
     guile
     gsl
     mpb
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index ad907bce24bb..b8eb3cc79239 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -989,6 +989,7 @@ mapAliases {
   libFS = libfs; # Added 2026-02-04
   libgadu = throw "'libgadu' has been removed as upstream is unmaintained and has no dependents or maintainers in Nixpkgs"; # Added 2025-05-17
   libgda = throw "'libgda' has been renamed to/replaced by 'libgda5'"; # Converted to throw 2025-10-27
+  libGDSII = libgdsii; # Added 2026-02-08
   libgme = throw "'libgme' has been renamed to/replaced by 'game-music-emu'"; # Converted to throw 2025-10-27
   libgnome-keyring3 = throw "'libgnome-keyring3' has been renamed to/replaced by 'libgnome-keyring'"; # Converted to throw 2025-10-27
   libheimdal = throw "'libheimdal' has been renamed to/replaced by 'heimdal'"; # Converted to throw 2025-10-27