diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,3 +10,7 @@
 
 * Moved module under System.Hardware
 * Bumped version dependencies
+
+## 0.1.1 -- 2021-04-06
+
+* Tested against ByteString 0.10, relaxed dependency constraint
diff --git a/fxpak.cabal b/fxpak.cabal
--- a/fxpak.cabal
+++ b/fxpak.cabal
@@ -1,5 +1,5 @@
 name:                fxpak
-version:             0.1.0
+version:             0.1.1
 synopsis:            Interface to the FXPak/FXPak Pro USB interface
 description:         Wraps Serial interaction with FXPak/FXPak Pro devices
 homepage:            https://github.com/wuest/fxpak
@@ -24,4 +24,4 @@
 
   build-depends:      base       >= 4.9  && < 4.16
                     , serialport >= 0.5  && < 0.6
-                    , bytestring >= 0.11 && < 0.12
+                    , bytestring >= 0.10 && < 0.12