diff --git a/package.py b/package.py
new file mode 100644
index 0000000..147d679
--- /dev/null
+++ b/package.py
@@ -0,0 +1,29 @@
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+from spack_repo.builtin.build_systems.cmake import CMakePackage
+
+from spack.package import *
+
+
+class SpackExercise(CMakePackage):
+    """Simulation Software Engineering Spack exercise WS25/26 by silasmue."""
+
+    # Add course homepage
+    homepage = "https://simulation-software-engineering.github.io/homepage/"
+    url = "https://github.com/Simulation-Software-Engineering/spack-exercise/archive/refs/tags/v0.1.0.tar.gz"
+
+    # Added maintainer github@silasmue ipvs.gitlab@muelless
+    maintainers("silasmue")
+
+    # Added MIT license
+    license("MIT", checked_by="silasmue")
+
+    version("0.3.0", sha256="c179ccc9d56b724fcb7eeff8cebbc1afe2797929b99aa6e7d9b8478a014f2d02")
+    version("0.2.0", sha256="010c900a3d4770116844636b89c1e42b1920f27c3da615543fb14f2ae9bb7f64")
+    version("0.1.0", sha256="f1c212a58376fd78e9854576627e6927d7cb93ccffe3a162b1664570c491e3a7")
+
+    depends_on("cxx", type="build")
+    depends_on("c", type="build")
+    depends_on("boost@1.65.1:", when="@0.2.0:")
+    depends_on("yaml-cpp@0.7.0:", when="@0.3.0:")