diff --git a/salomon.csv b/salomon.csv
index b69742ddfa5742b143b0a6e9fa1183350f784039..0cd7e246d5b4eb147ebf063ad42c0f50f7642ac5 100644
--- a/salomon.csv
+++ b/salomon.csv
@@ -480,6 +480,7 @@ protobuf/3.4.0-GCC-7.1.0-2.28-Python-3.6.1,2
 python-meep/1.4.2-intel-2015b-Python-2.7.9-Meep-1.3,2
 renderproto/0.11-intel-2015b,2
 renderproto/0.11,2
+squashfs-tools/4.3,2
 xbitmaps/1.1.1-foss-2015g,2
 xbitmaps/1.1.1-intel-2015b,2
 xbitmaps/1.1.1,2
diff --git a/salomon.md b/salomon.md
index 7855076f4fb3714ed461f31da6e2b1f5426b84f3..5a0fddb21dcdaff4efcfd7eba7ad74075a27b183 100644
--- a/salomon.md
+++ b/salomon.md
@@ -144,6 +144,7 @@
 | [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. |
 | [Spark](http://spark.apache.org) | Spark is Hadoop MapReduce done in memory |
 | [SQLite](http://www.sqlite.org/) | SQLite: SQL Database Engine in a C Library |
+| [squashfs-tools](http://squashfs.sourceforge.net/) | Squashfs is a compressed read-only filesystem for Linux. |
 | [SWIG](http://www.swig.org/) | SWIG is a software development tool that connects programs written in C and C++ with a variety of high-level programming languages. |
 | [xbitmaps](http://www.freedesktop.org/wiki/Software/xlibs) | provides bitmaps for x |
 | [xcb-proto](http://xcb.freedesktop.org/) | The X protocol C-language Binding (XCB) is a replacement for Xlib featuring a small footprint, latency hiding, direct access to the protocol, improved threading support, and extensibility. |