diff --git a/readme.md b/readme.md
index 03ebd1278..f4baf97ff 100644
--- a/readme.md
+++ b/readme.md
@@ -78,7 +78,7 @@ additional build requirements:
 
 setup:
 
-    $ sudo apt install build-essential cmake git pkg-config mingw-w64 nsis cpack
+    $ sudo apt install build-essential cmake git pkg-config mingw-w64 nsis cpack automake libtool
 
 building: