diff --git a/NEWS b/NEWS
index 39592a9..c8101c8 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,10 @@
 
+Version 0.2.1 - November 29, 2010
+
+- avoid buffer overflow when submitting solutions
+- add Crypto++ sha256 implementation (C only, ASM elided for now)
+- minor internal optimizations and cleanups
+
 Version 0.2 - November 27, 2010
 
 - Add script for building a Windows installer
diff --git a/README b/README
index 114b36a..f27a890 100644
--- a/README
+++ b/README
@@ -15,7 +15,7 @@ Basic *nix build instructions:
 
 Basic WIN32 build instructions (on Fedora 13; requires mingw32):
 	./autogen.sh
-	MINGW32_CFLAGS="-O2 -Wall -msse2" mingw32-configure
+	MINGW32_CFLAGS="-O3 -Wall -msse2" mingw32-configure
 	make
 	./mknsis.sh
 
diff --git a/configure.ac b/configure.ac
index 0c6076b..daf2f55 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 
-AC_INIT([cpuminer], [0.2])
+AC_INIT([cpuminer], [0.2.1])
 
 AC_PREREQ(2.52)
 AC_CONFIG_SRCDIR([cpu-miner.c])