diff --git a/box-socket.cabal b/box-socket.cabal
--- a/box-socket.cabal
+++ b/box-socket.cabal
@@ -1,6 +1,6 @@
 cabal-version: 3.0
 name: box-socket
-version: 0.5.0.0
+version: 0.5.1.0
 license: BSD-3-Clause
 license-file: LICENSE
 copyright: Tony Day (c) 2017
@@ -13,7 +13,7 @@
 description: Websockets built with the box library.
 build-type: Simple
 tested-with:
-    GHC ==8.10.7 || ==9.4.7 || ==9.6.3 || ==9.8.1
+    GHC ==8.10.7 || ==9.2.7 || ==9.4.7 || ==9.6.3 || ==9.8.1
 extra-doc-files:
     ChangeLog.md
     readme.org
diff --git a/src/Box/TCP/Example.hs b/src/Box/TCP/Example.hs
--- a/src/Box/TCP/Example.hs
+++ b/src/Box/TCP/Example.hs
@@ -75,7 +75,7 @@
 -- *** Exception: Network.Socket.connect: <socket: ...>: does not exist (Connection refused)
 clientIO :: IO ()
 clientIO =
-  clientBox defaultTCPConfig (CloseAfter 0) (dimap decodeUtf8Lenient encodeUtf8 (stdBox "q"))
+  clientBox defaultTCPConfig (CloseAfter 0) (dimap decodeUtf8 encodeUtf8 (stdBox "q"))
 
 -- | "q" to close a client socket down. Ctrl-c to close the server. Reads and writes from std.
 --
@@ -85,4 +85,4 @@
 --
 -- >>> cancel a
 serverIO :: IO ()
-serverIO = serverBox defaultTCPConfig (CloseAfter 0) (dimap decodeUtf8Lenient encodeUtf8 (stdBox "q"))
+serverIO = serverBox defaultTCPConfig (CloseAfter 0) (dimap decodeUtf8 encodeUtf8 (stdBox "q"))