diff --git a/Doc/ChangeLog.txt b/Doc/ChangeLog.txt
index 6ae0fa14..73ae598f 100644
--- a/Doc/ChangeLog.txt
+++ b/Doc/ChangeLog.txt
@@ -4,6 +4,7 @@ Version 2.9.1
 - WBW: Converted PTXPLAY to TUNE (now plays PT2/PT3/MYM sounds files)
 - WBW: Updated Win32DiskImager to v1.0
 - WBW: Implemented character attributes on Propeller based consoles
+- M?S: Added support for BEL function in Propeller based consoles
 
 Version 2.9.0
 -------------
diff --git a/ReadMe.txt b/ReadMe.txt
index 865b29d5..562dfb90 100644
--- a/ReadMe.txt
+++ b/ReadMe.txt
@@ -7,7 +7,7 @@
 ***********************************************************************
 
 Wayne Warthen (wwarthen@gmail.com)
-Version 2.9.1-pre.0, 2018-03-11
+Version 2.9.1-pre.1, 2018-04-19
 https://www.retrobrewcomputers.org/
 
 RomWBW is a ROM-based implementation of CP/M-80 2.2 and Z-System for 
diff --git a/Source/CBIOS/ver.inc b/Source/CBIOS/ver.inc
index f0a6efbd..423471dc 100644
--- a/Source/CBIOS/ver.inc
+++ b/Source/CBIOS/ver.inc
@@ -2,4 +2,4 @@
 #DEFINE	RMN	9
 #DEFINE	RUP	1
 #DEFINE	RTP	0
-#DEFINE BIOSVER	"2.9.1-pre.0"
+#DEFINE BIOSVER	"2.9.1-pre.1"
diff --git a/Source/HBIOS/ver.inc b/Source/HBIOS/ver.inc
index f0a6efbd..423471dc 100644
--- a/Source/HBIOS/ver.inc
+++ b/Source/HBIOS/ver.inc
@@ -2,4 +2,4 @@
 #DEFINE	RMN	9
 #DEFINE	RUP	1
 #DEFINE	RTP	0
-#DEFINE BIOSVER	"2.9.1-pre.0"
+#DEFINE BIOSVER	"2.9.1-pre.1"