diff --git a/var/spack/repos/builtin/packages/chaplin/package.py b/var/spack/repos/builtin/packages/chaplin/package.py
new file mode 100644
index 0000000000..c788b9c15d
--- /dev/null
+++ b/var/spack/repos/builtin/packages/chaplin/package.py
@@ -0,0 +1,22 @@
+# Copyright 2013-2021 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)
+
+
+from spack import *
+
+
+class Chaplin(AutotoolsPackage):
+    """The FORTRAN library CHAPLIN enables you to numerically
+    evaluate Harmonic polylogarithms up to weight 4 for any
+    complex argument."""
+
+    homepage = "https://chaplin.hepforge.org"
+    url      = "https://chaplin.hepforge.org/code/chaplin-1.2.tar"
+
+    tags = ['hep']
+
+    maintainers = ['vvolkl']
+
+    version('1.2', sha256='f17c2d985fd4e4ce36cede945450416d3fa940af68945c91fa5d3ca1d76d4b49')