Release: bump version.

diff --git a/VERSION b/VERSION
index b08b21127044def7b7459a047a8a43a005fc4da3..7d2df1c012252db2ef7db638dab7c9b7adc2aee1 100644 (file)
--- a/VERSION
+++ b/VERSION
@@ -1,7 +1,7 @@
 PACKAGE_NAME=LilyPond
 MAJOR_VERSION=2
 MINOR_VERSION=15
-PATCH_LEVEL=20
+PATCH_LEVEL=21
 MY_PATCH_LEVEL=
 VERSION_STABLE=2.14.2
-VERSION_DEVEL=2.15.19
+VERSION_DEVEL=2.15.20