diff --git a/lib/spack/spack/installer.py b/lib/spack/spack/installer.py
index 6d50b0f15d709529f68f837cbc6aa88807625e86..f4f39f26409ba73f6db81eac6afbf491dc4c5fe4 100755
--- a/lib/spack/spack/installer.py
+++ b/lib/spack/spack/installer.py
@@ -1,4 +1,4 @@
-# Copyright 2013-2019 Lawrence Livermore National Security, LLC and other
+# Copyright 2013-2020 Lawrence Livermore National Security, LLC and other
 # Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)