diff --git a/karolina.csv b/karolina.csv
index 6ad1a7f2d92ec12d26e61a91c1965d817cb8e9b5..3c213d1d7efd0bb4b579d9612b7f5b4b5ff1f24c 100644
--- a/karolina.csv
+++ b/karolina.csv
@@ -609,6 +609,7 @@ SIONlib/1.7.6-GCCcore-10.2.0-tools,1
 snappy/1.1.8-GCCcore-10.2.0,1
 snappy/1.1.8-GCCcore-10.3.0,1
 SoX/14.4.2,1
+Spack/default,1
 spglib-python/1.16.0-foss-2020b,1
 spglib-python/1.16.0-intel-2020a-Python-3.8.2,1
 SQLite/3.17.0,1
diff --git a/karolina.md b/karolina.md
index 805e77da83a1a3ca469159ea882ea902a14b2383..dbef2fe45584ef46e43c8e38a0c2367b78837498 100644
--- a/karolina.md
+++ b/karolina.md
@@ -109,6 +109,7 @@
 | [protobuf](https://github.com/google/protobuf/) | Google Protocol Buffers |
 | [protobuf-python](https://github.com/google/protobuf/) | Python Protocol Buffers runtime library. |
 | [Qt5](https://qt.io/) | Qt is a comprehensive cross-platform C++ application framework. |
+| [Spack](https://spack.io/) | Spack is a package manager for supercomputers, Linux, and macOS. It makes installing scientific software easy. With Spack, you can build a package with multiple versions, configurations, platforms, and compilers, and all of these builds can coexist on the same machine. |
 | [SQLite](https://www.sqlite.org/) | SQLite: SQL Database Engine in a C Library |
 | [squashfs-tools](http://squashfs.sourceforge.net/) | Squashfs is a local_compressed read-only filesystem for Linux. |
 | [typing-extensions](https://github.com/python/typing/blob/master/typing_extensions/README.rst) | Typing Extensions – Backported and Experimental Type Hints for Python |