diff --git a/tools/binman/README b/tools/binman/README
index 0ff30ef..7eda244 100644
--- a/tools/binman/README
+++ b/tools/binman/README
@@ -183,7 +183,8 @@
 
 First install prerequisites, e.g.
 
-	sudo apt-get install python-pyelftools python3-pyelftools
+	sudo apt-get install python-pyelftools python3-pyelftools lzma-alone \
+		liblz4-tool
 
 Type: