diff --git a/Changelog b/Changelog
index c5b65f0..ad3e2a0 100644
--- a/Changelog
+++ b/Changelog
@@ -1,3 +1,12 @@
+== 2.2 Bugfix Release ==
+Update invalid environment variable handling to actually fail rather than auto-correct.
+Fix a crash with invalid PCOMPRESS_CHUNK_HASH_GLOBAL.
+Update testcase to correctly detect core files.
+Drastic simplification of Min-heap code and resultant Delta speedup.
+Correspond segment size to chunk size for Segmented Dedupe for better accuracy.
+Add a testcase for issue #10.
+Fix issue #10.
+Fix issue #8.
 == 2.1 Update Release ==
 Add more tests covering Segmented Global Dedupe.
 Fix some tests.
diff --git a/pcompress.h b/pcompress.h
index e9f6c1d..2d1d2d6 100644
--- a/pcompress.h
+++ b/pcompress.h
@@ -44,7 +44,7 @@ extern "C" {
 #define	FLAG_DEDUP	1
 #define	FLAG_DEDUP_FIXED	2
 #define	FLAG_SINGLE_CHUNK	4
-#define	UTILITY_VERSION	"2.1"
+#define	UTILITY_VERSION	"2.2"
 #define	MASK_CRYPTO_ALG	0x30
 #define	MAX_LEVEL	14