diff --git a/Changelog b/Changelog
index bcd1682..2a8458b 100644
--- a/Changelog
+++ b/Changelog
@@ -1,3 +1,8 @@
+== 0.8.6 Update Release ==
+Fix polynomial computation.
+Fix incorrect block length when doing fixed-block dedupe.
+Remove unused structure member.
+Switch to multiplicative rolling hash for good
 == 0.8.5 Update Release ==
 Update adaptive mode heuristic based on algorithms.
 Remove incorrect check in PPMd decompression code.
diff --git a/pcompress.h b/pcompress.h
index 46df9e1..6885462 100644
--- a/pcompress.h
+++ b/pcompress.h
@@ -41,7 +41,7 @@ extern "C" {
 #define	FLAG_DEDUP	1
 #define	FLAG_DEDUP_FIXED	1
 #define	FLAG_SINGLE_CHUNK	2
-#define	UTILITY_VERSION	"0.8.5"
+#define	UTILITY_VERSION	"0.8.6"
 
 #define	COMPRESSED	1
 #define	UNCOMPRESSED	0