diff --git a/README.md b/README.md
index cfc3e0a..1aae562 100644
--- a/README.md
+++ b/README.md
@@ -82,7 +82,7 @@ Building in MSYS2
 
 To build in MSYS2, install the following set of packages with `pacman -S --needed`:
 
-    git wget mingw-w64-x86_64-gcc mingw-w64-x86_64-ninja mingw-w64-x86_64-cmake make mingw-w64-x86_64-python3
+    git wget mingw-w64-x86_64-gcc mingw-w64-x86_64-ninja mingw-w64-x86_64-cmake make mingw-w64-x86_64-python3 autoconf libtool
 
 
 Status