diff --git a/pkgs/misc/lilypond/unstable.nix b/pkgs/misc/lilypond/unstable.nix
index 738c5f76da20..6bc279fb5853 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 = "2.25.19";
+  version = "2.25.20";
   src = fetchurl {
     url = "https://lilypond.org/download/sources/v${lib.versions.majorMinor version}/lilypond-${version}.tar.gz";
-    hash = "sha256-gGG4ObmY9PcO0JIKxAagquHS74Elc49SZ/8FDwFfZDU=";
+    hash = "sha256-q+eVzm68m4FuAvWKB/Zys7stmT9arAQ/+J/q2AvLnbM=";
   };
 
   passthru.updateScript = {