diff --git a/pkgs/misc/lilypond/unstable.nix b/pkgs/misc/lilypond/unstable.nix
index f500a7971315..fd5067b0faea 100644
--- a/pkgs/misc/lilypond/unstable.nix
+++ b/pkgs/misc/lilypond/unstable.nix
@@ -1,10 +1,10 @@
 { lib, fetchurl, lilypond }:
 
 lilypond.overrideAttrs (oldAttrs: rec {
-  version = "2.25.14";
+  version = "2.25.15";
   src = fetchurl {
     url = "https://lilypond.org/download/sources/v${lib.versions.majorMinor version}/lilypond-${version}.tar.gz";
-    hash = "sha256-b0qfNjr5jxEJbCYINX2/JhESMOIf9DefRHI47gn5Zio=";
+    hash = "sha256-K2CV4sWhUndiglBze44xbfrPe19nU+9qn+WOWLMA0R8=";
   };
 
   passthru.updateScript = {