diff --git a/var/spack/repos/builtin/packages/miniapp-ascent/package.py b/var/spack/repos/builtin/packages/miniapp-ascent/package.py
new file mode 100644
index 0000000000..7a73151ec8
--- /dev/null
+++ b/var/spack/repos/builtin/packages/miniapp-ascent/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 MiniappAscent(Package):
+    """Pantheon/E4S/Ascent in-situ miniapp example workflow"""
+
+    homepage = "https://github.com/cinemascienceworkflows/2021-04_Miniapp-Ascent"
+    git      = "https://github.com/cinemascienceworkflows/2021-04_Miniapp-Ascent.git"
+    url      = "https://github.com/cinemascienceworkflows/2021-04_Miniapp-Ascent/archive/refs/heads/master.zip"
+
+    version('master',
+            branch='master')
+
+    depends_on("ascent", type=('run'))
+
+    def install(self, spec, prefix):
+        install_tree(self.stage.source_path, prefix)