diff --git a/debian/changelog b/debian/changelog
index 7b7fcb44..6109cb95 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,4 +1,10 @@
-llvm-toolchain-snapshot (1:13~++20210715093511+afc760ef3527-1~exp1) UNRELEASED; urgency=medium
+llvm-toolchain-13 (1:13~++20210720093711+b2e25572d2a7-1~exp1) experimental; urgency=medium
+
+  * Branching of snapshot into 13
+
+ -- Sylvestre Ledru <sylvestre@debian.org>  Tue, 20 Jul 2021 09:40:58 +0200
+
+llvm-toolchain-snapshot (1:13~++20210715093511+afc760ef3527-1~exp1) experimental; urgency=medium
 
   * Refresh the lib of symbols in libomp
   * As scan-build-py is installed by default ( https://reviews.llvm.org/D104138 )
diff --git a/debian/control b/debian/control
index 364acf62..a83ebf26 100644
--- a/debian/control
+++ b/debian/control
@@ -1,4 +1,4 @@
-Source: llvm-toolchain-snapshot
+Source: llvm-toolchain-13
 Section: devel
 Priority: optional
 Rules-Requires-Root: no