diff --git a/README.md b/README.md
index add45d6..47ff371 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ A simple yet fast header-only library to read/write, serialize/deserialize STL (
 [![Python](https://img.shields.io/pypi/pyversions/openstl.svg)](https://pypi.org/project/openstl/)
 
 # Performances benchmark
-Discover the staggering performance of OpenSTL in comparison to numpy-stl, thanks to its powerful C++ backend.   
+Discover the staggering performance of OpenSTL in comparison to [numpy-stl](https://github.com/wolph/numpy-stl), thanks to its powerful C++ backend.   
 
     Write:  2 to 3 times faster than numpy-stl.
     Read:   1 to 12 times faster than numpy-stl.