diff --git a/CHANGELOG b/CHANGELOG
index 4ef9a11..1f1c8fd 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,4 +1,4 @@
-Version 0.8.6 prerelease (2009.10.16):
+Version 0.8.6 (2009.10.25):
     * fixed:   UInt::SetBitInWord(uint & value, uint bit) set 1 if the bit was
                equal 1 (should be set 2)
                this affected only no-asm parts - when macro TTMATH_NOASM was defined
diff --git a/ttmath/ttmathtypes.h b/ttmath/ttmathtypes.h
index 7b82cce..f97bb61 100644
--- a/ttmath/ttmathtypes.h
+++ b/ttmath/ttmathtypes.h
@@ -65,7 +65,7 @@
 #define TTMATH_MAJOR_VER		0
 #define TTMATH_MINOR_VER		8
 #define TTMATH_REVISION_VER		6
-#define TTMATH_PRERELEASE_VER	1
+#define TTMATH_PRERELEASE_VER	0
 
 
 /*!