diff --git a/CHANGELOG.markdown b/CHANGELOG.markdown
index 536c6d602c4f3f438ae93bb870a64ac1fe58afce..cf718a5300ce417af9396e1925f46a2ea778da2e 100644
--- a/CHANGELOG.markdown
+++ b/CHANGELOG.markdown
@@ -1,3 +1,7 @@
+1.0.1
+-----
+* Improve the performance of Data.ByteString.Lazy.UTF8.fromString. (Thanks, ndmitchell)
+
 1
 -----
 * Remove out all the old utf8 IO support. GHC supports utf8 now.
diff --git a/utf8-string.cabal b/utf8-string.cabal
index 87aaa8f5ff1aed427cc74ed8fdb003174f757e44..d0d87cb01cf9141002c3d6d2b538c25cae5dd3db 100644
--- a/utf8-string.cabal
+++ b/utf8-string.cabal
@@ -1,5 +1,5 @@
 Name:               utf8-string
-Version:            1
+Version:            1.0.1
 Author:             Eric Mertens
 Maintainer:         emertens@galois.com
 License:            BSD3