diff --git a/pkgs/applications/audio/mmlgui/default.nix b/pkgs/applications/audio/mmlgui/default.nix
index d31ece0187d3..98be95b3bf12 100644
--- a/pkgs/applications/audio/mmlgui/default.nix
+++ b/pkgs/applications/audio/mmlgui/default.nix
@@ -39,6 +39,10 @@ stdenv.mkDerivation rec {
     # Don't force building tests
     substituteInPlace Makefile \
       --replace 'all: $(MMLGUI_BIN) test' 'all: $(MMLGUI_BIN)'
+
+    # Breaking change in libvgm
+    substituteInPlace src/emu_player.cpp \
+      --replace 'Resmpl_SetVals(&resmpl, 0xff' 'Resmpl_SetVals(&resmpl, RSMODE_LINEAR'
   '';
 
   strictDeps = true;
diff --git a/pkgs/applications/audio/vgmplay-libvgm/default.nix b/pkgs/applications/audio/vgmplay-libvgm/default.nix
index 199f75ff2027..75701682e128 100644
--- a/pkgs/applications/audio/vgmplay-libvgm/default.nix
+++ b/pkgs/applications/audio/vgmplay-libvgm/default.nix
@@ -9,15 +9,15 @@
 , inih
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation {
   pname = "vgmplay-libvgm";
-  version = "unstable-2023-04-12";
+  version = "unstable-2024-01-03";
 
   src = fetchFromGitHub {
     owner = "ValleyBell";
     repo = "vgmplay-libvgm";
-    rev = "813abab549e99bb7e936acbfa1199cf435c237c6";
-    sha256 = "sdQO+xk3a7AFXo3jpbcuNBkd19PjKoBMRhr4IK06oHg=";
+    rev = "7db1c63c056d79a8f9f533aa7eb82b7fdf7d456c";
+    hash = "sha256-GjBwu8Y/lOI8SLO4SrAWcntQIwKe/hXuh9tKbOPHQiA=";
   };
 
   nativeBuildInputs = [ cmake pkg-config ];
diff --git a/pkgs/development/libraries/libvgm/default.nix b/pkgs/development/libraries/libvgm/default.nix
index 31508b01fbd0..0d7c098255f2 100644
--- a/pkgs/development/libraries/libvgm/default.nix
+++ b/pkgs/development/libraries/libvgm/default.nix
@@ -40,15 +40,15 @@ let
   inherit (lib) optional optionals;
   onOff = val: if val then "ON" else "OFF";
 in
-stdenv.mkDerivation rec {
+stdenv.mkDerivation {
   pname = "libvgm";
-  version = "unstable-2023-08-14";
+  version = "unstable-2024-01-03";
 
   src = fetchFromGitHub {
     owner = "ValleyBell";
     repo = "libvgm";
-    rev = "079c4e737e6a73b38ae20125521d7d9eafda28e9";
-    sha256 = "hmaGIf9AQOYqrpnmKAB9I2vO+EXrzvoRaQ6Epdygy4o=";
+    rev = "223b6f9d629feda1982dc4bbeebd19fa63b987fb";
+    hash = "sha256-CrqgDuOsY+Hpp41De6oWJduj8d8ftMUanMEWJKh79rw=";
   };
 
   outputs = [