diff --git a/README.md b/README.md
index f94a9f8..72b2ce7 100644
--- a/README.md
+++ b/README.md
@@ -192,6 +192,7 @@ Only main chapters:
:small_orange_diamond: lsof - displays in its output information about files that are opened by processes.
:small_orange_diamond: FlameGraph - stack trace visualizer.
:small_orange_diamond: lsofgraph - small utility to convert Unix lsof output to a graph showing FIFO and UNIX interprocess communication.
+ :small_orange_diamond: hexyl - a command-line hex viewer.