diff --git a/var/spack/repos/builtin/packages/libasr/package.py b/var/spack/repos/builtin/packages/libasr/package.py
new file mode 100644
index 0000000000..2877b58c42
--- /dev/null
+++ b/var/spack/repos/builtin/packages/libasr/package.py
@@ -0,0 +1,16 @@
+# 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 Libasr(AutotoolsPackage):
+    """libasr is a free, simple and portable asynchronous resolver library."""
+
+    homepage = "https://github.com/OpenSMTPD/libasr"
+    url      = "https://github.com/OpenSMTPD/libasr/releases/download/1.0.4/libasr-1.0.4.tar.gz"
+
+    version('1.0.4', sha256='19fb6bed10d15c9775c8d008cd1130155917ae4e801c729fe85e6d88a545dab4')
+    version('1.0.3', sha256='9cd88e0172e6d426438875e09229d1d473d56db546d02b630f9dd14db226d68d')