diff --git a/README b/README
index 18641da1..1d6a12b6 100644
--- a/README
+++ b/README
@@ -7,7 +7,7 @@ Updated By mjbudd77
 
 https://fceux.com
 
-Last Modified: March 24, 2022
+Last Modified: April 30, 2023
 
 Table of Contents
 -----------------
@@ -32,6 +32,7 @@ Table of Contents
 * libx265 (optional) - H.265 video encoder for avi recording (recommended)
 * ffmpeg libraries (optional) - for avi recording (recommended)
 *	- ffmpeg libraries used: libavcodec  libavformat  libavutil  libswresample  libswscale
+* libarchive (optional) - for 7zip archive support (test with version 3.4.0)
 * minizip  
 * zlib  
 * openGL
diff --git a/web/osx.html b/web/osx.html
index e030a0ac..0c0c9df1 100644
--- a/web/osx.html
+++ b/web/osx.html
@@ -81,6 +81,7 @@
 		 brew install qt5
 		 brew install sdl2
 		 brew install minizip
+		 brew install libarchive (optional dependency for 7zip archive support)
 		 brew install ffmpeg (optional dependency but recommended for AVI recording)
 		 brew install x264   (optional dependency but recommended for AVI recording)
 		 </pre>