diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # bzip-signature
 
+## 0.1.1.1
+
+  * Documentation improvements
+
 ## 0.1.1.0
 
  * Add `BZip.File` module
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
 # bzip-signature
 
 A backpack module signature, to be used with
-[bzlib](http://hackage.haskell.org/package/bzlib).
+[bzlib](http://hackage.haskell.org/package/bzlib) or
+[bz2](http://hackage.haskell.org/package/bz2).
diff --git a/bzip-signature.cabal b/bzip-signature.cabal
--- a/bzip-signature.cabal
+++ b/bzip-signature.cabal
@@ -1,6 +1,6 @@
 cabal-version:   2.0
 name:            bzip-signature
-version:         0.1.1.0
+version:         0.1.1.1
 license:         BSD3
 license-file:    LICENSE
 copyright:       Copyright: (c) 2020 Vanessa McHale