diff --git a/changelog b/changelog
--- a/changelog
+++ b/changelog
@@ -1,3 +1,6 @@
+0.4.6.1
+	* Fix unit test build break with older bytestring versions
+
 0.4.6.0
 	* Add "named parameters" variants of query & al.  Named params
 	  allow queries like:
diff --git a/sqlite-simple.cabal b/sqlite-simple.cabal
--- a/sqlite-simple.cabal
+++ b/sqlite-simple.cabal
@@ -1,5 +1,5 @@
 Name:                sqlite-simple
-Version:             0.4.6.0
+Version:             0.4.6.1
 Synopsis:            Mid-Level SQLite client library
 Description:
     Mid-level SQLite client library, based on postgresql-simple.
diff --git a/test/Simple.hs b/test/Simple.hs
--- a/test/Simple.hs
+++ b/test/Simple.hs
@@ -18,6 +18,8 @@
 import qualified Data.Text.Lazy as LT
 import qualified Data.ByteString as BS
 import qualified Data.ByteString.Lazy as LBS
+-- orphan IsString instance in older byteString
+import           Data.ByteString.Lazy.Char8 ()
 import           Data.Time (UTCTime, Day)
 
 import           Common