diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,7 @@
+## 2.8.1
+
+* Updated `SqlBackend` definition to set `connPutManySql`. [#770](https://github.com/yesodweb/persistent/pull/770)
+
 ## 2.8.0
 
 * Switch from `MonadBaseControl` to `MonadUnliftIO`
diff --git a/Database/Persist/Sqlite.hs b/Database/Persist/Sqlite.hs
--- a/Database/Persist/Sqlite.hs
+++ b/Database/Persist/Sqlite.hs
@@ -152,6 +152,7 @@
         , connStmtMap = smap
         , connInsertSql = insertSql'
         , connUpsertSql = Nothing
+        , connPutManySql = Nothing
         , connInsertManySql = Nothing
         , connClose = Sqlite.close conn
         , connMigrateSql = migrate'
@@ -344,6 +345,7 @@
                    , connLimitOffset = decorateSQLWithLimitOffset "LIMIT -1"
                    , connLogFunc = undefined
                    , connUpsertSql = undefined
+                   , connPutManySql = undefined
                    , connMaxParams = Just 999
                    }
       result = runReaderT . runWriterT . runWriterT $ mig
diff --git a/persistent-sqlite.cabal b/persistent-sqlite.cabal
--- a/persistent-sqlite.cabal
+++ b/persistent-sqlite.cabal
@@ -1,5 +1,5 @@
 name:            persistent-sqlite
-version:         2.8.0
+version:         2.8.1
 license:         MIT
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>
@@ -28,7 +28,7 @@
     build-depends:   base                    >= 4.8         && < 5
                    , bytestring              >= 0.9.1
                    , transformers            >= 0.2.1
-                   , persistent              >= 2.8.0       && < 3
+                   , persistent              >= 2.8.1       && < 3
                    , unliftio-core
                    , containers              >= 0.2
                    , text                    >= 0.7