diff --git a/doc/chm/VeraCrypt User Guide.chm b/doc/chm/VeraCrypt User Guide.chm
index 495ae97e..caacd73b 100644
Binary files a/doc/chm/VeraCrypt User Guide.chm and b/doc/chm/VeraCrypt User Guide.chm differ
diff --git a/doc/html/Supported Operating Systems.html b/doc/html/Supported Operating Systems.html
index be20c3bf..f4525caa 100644
--- a/doc/html/Supported Operating Systems.html	
+++ b/doc/html/Supported Operating Systems.html	
@@ -44,6 +44,7 @@ Windows Server 2012 </li><li style="text-align:left; margin-top:0px; margin-bott
 Windows Server 2008 R2 (64-bit) </li><li style="text-align:left; margin-top:0px; margin-bottom:0px; padding-top:0px; padding-bottom:0px">
 Windows Server 2008 </li><li style="text-align:left; margin-top:0px; margin-bottom:0px; padding-top:0px; padding-bottom:0px">
 Windows Server 2003 </li><li style="text-align:left; margin-top:0px; margin-bottom:0px; padding-top:0px; padding-bottom:0px">
+Mac OS X 10.13 High Sierra </li><li style="text-align:left; margin-top:0px; margin-bottom:0px; padding-top:0px; padding-bottom:0px">
 Mac OS X 10.12 Sierra </li><li style="text-align:left; margin-top:0px; margin-bottom:0px; padding-top:0px; padding-bottom:0px">
 Mac OS X 10.11 El Capitan </li><li style="text-align:left; margin-top:0px; margin-bottom:0px; padding-top:0px; padding-bottom:0px">
 Mac OS X 10.10 Yosemite </li><li style="text-align:left; margin-top:0px; margin-bottom:0px; padding-top:0px; padding-bottom:0px">