diff --git a/pkgs/by-name/li/libvgm/package.nix b/pkgs/by-name/li/libvgm/package.nix
index 306abc62a467..03e0d0b67d2f 100644
--- a/pkgs/by-name/li/libvgm/package.nix
+++ b/pkgs/by-name/li/libvgm/package.nix
@@ -38,13 +38,13 @@ assert enableTools -> enableAudio && enableEmulation && enableLibplayer;
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "libvgm";
-  version = "0-unstable-2025-12-15";
+  version = "0-unstable-2025-12-26";
 
   src = fetchFromGitHub {
     owner = "ValleyBell";
     repo = "libvgm";
-    rev = "455a0898761269d8e158c5e1c799976940f01dd4";
-    hash = "sha256-9gqIjBzqUZIse0O+u/mZAmkx6Cb7AtEGYo3M1z53gYo=";
+    rev = "df8bccbc3d2be3a6d805ede58a8054176ca84728";
+    hash = "sha256-Ub3gGFLHt31a9WDQN4CIfJ1+s8hfZCXsA3RADOX/tBA=";
   };
 
   outputs = [
diff --git a/pkgs/by-name/vg/vgmplay-libvgm/package.nix b/pkgs/by-name/vg/vgmplay-libvgm/package.nix
index cd92f44f6276..0acc311418e5 100644
--- a/pkgs/by-name/vg/vgmplay-libvgm/package.nix
+++ b/pkgs/by-name/vg/vgmplay-libvgm/package.nix
@@ -12,13 +12,13 @@
 
 stdenv.mkDerivation {
   pname = "vgmplay-libvgm";
-  version = "0.51.1-unstable-2025-11-15";
+  version = "0.51.1-unstable-2025-12-29";
 
   src = fetchFromGitHub {
     owner = "ValleyBell";
     repo = "vgmplay-libvgm";
-    rev = "5b2e6b7d978d2de060b4840929e64c5bb239bfe2";
-    hash = "sha256-wgi1PofdPG5JU4cYrTw7mIJKT8gxy6PTKBbiTd7wlpQ=";
+    rev = "41877bac91d98be221b7a4c5c9d42f0869e25389";
+    hash = "sha256-5NdzeYrXgwI4avymtrZgE4qfEm+mpSa4ektY3bPj6sM=";
   };
 
   nativeBuildInputs = [
@@ -32,6 +32,10 @@ stdenv.mkDerivation {
     inih
   ];
 
+  # https://github.com/ValleyBell/vgmplay-libvgm/issues/9
+  # Leftover that's still in use, missing documentation & integration into CMake script rn
+  env.NIX_CFLAGS_COMPILE = "-DSHARE_PREFIX=\"${placeholder "out"}\"";
+
   postInstall = ''
     install -Dm644 ../VGMPlay.ini $out/share/vgmplay/VGMPlay.ini
   '';