diff --git a/var/spack/repos/builtin/packages/r-cpp11/package.py b/var/spack/repos/builtin/packages/r-cpp11/package.py
new file mode 100644
index 00000000000..3177c360210
--- /dev/null
+++ b/var/spack/repos/builtin/packages/r-cpp11/package.py
@@ -0,0 +1,21 @@
+# 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 RCpp11(RPackage):
+    """cpp11: A C++11 Interface for R's C Interface
+
+    Provides a header only, C++11 interface to R's C interface. Compared to
+    other approaches 'cpp11' strives to be safe against long jumps from the C
+    API as well as C++ exceptions, conform to normal R function semantics and
+    supports interaction with 'ALTREP' vectors."""
+
+    homepage = "https://github.com/r-lib/cpp11"
+    url      = "https://cloud.r-project.org/src/contrib/cpp11_0.2.5.tar.gz"
+    list_url = "https://cloud.r-project.org/src/contrib/Archive/cpp11"
+
+    version('0.2.5', sha256='6fef9306c0c3043252c987e77c99ef679b2ea46dffafae318dbeb38ad21a2e20')