diff --git a/debian/changelog b/debian/changelog
index 4e8c0469..ec5d1e71 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+llvm-toolchain-15 (1:15.0.1-1~exp1) experimental; urgency=medium
+
+  * New upstream release
+
+ -- Sylvestre Ledru <sylvestre@debian.org>  Tue, 20 Sep 2022 08:55:01 +0200
+
 llvm-toolchain-15 (1:15.0.0-2) experimental; urgency=medium
 
   * Fix build on ppc64 and riscv64 (Closes: #1019582)
diff --git a/debian/unpack.sh b/debian/unpack.sh
index b5f705b2..946989d2 100644
--- a/debian/unpack.sh
+++ b/debian/unpack.sh
@@ -1,6 +1,6 @@
 set -e
 ORIG_VERSION=15
-MAJOR_VERSION=15 # 8.0.1
+MAJOR_VERSION=15.0.1 # 8.0.1
 REV=`ls -1 *${ORIG_VERSION}_${MAJOR_VERSION}*~+*xz | tail -1|perl -ne 'print "$1\n" if /~\+(.*)\.orig/;'  | sort -ru`
 
 VERSION=$REV