Fix compilation of GHC 8.8

CHANGELOG.md

@@ -1,18 +1,23 @@
 # Change Log
 All notable changes to this project will be documented in this file.
 This project adheres to [Package Versioning Policy](https://wiki.haskell.org/Package_versioning_policy).
+## [2.7.0.0] - 2020-02-08
+
+### Fixed
+- Upgraded bson to compile with GHC 8.8
+
 ## [2.6.0.1] - 2020-02-01
 
-## Fixed
+### Fixed
 - Parsing hostname with underscores in readHostPortM.
 
 ## [2.6.0.0] - 2020-01-03
 
-## Added
+### Added
 - MonadFail. It's a standard for newer versions of Haskell,
 - Open replica sets over tls.
 
-## Fixed
+### Fixed
 - Support for unix domain socket connection,
 - Stubborn listener threads.
 

mongoDB.cabal

@@ -1,5 +1,5 @@
 Name:           mongoDB
-Version:        2.6.0.1
+Version:        2.7.0.0
 Synopsis:       Driver (client) for MongoDB, a free, scalable, fast, document
                 DBMS
 Description:    This package lets you connect to MongoDB servers and
@@ -31,7 +31,7 @@ Library
   Build-depends:      array -any
                     , base <5
                     , binary -any
-                    , bson >= 0.3 && < 0.4
+                    , bson >= 0.3 && < 0.5
                     , text
                     , bytestring -any
                     , containers -any
@@ -114,7 +114,7 @@ Benchmark bench
                     , base64-bytestring
                     , base16-bytestring
                     , binary -any
-                    , bson >= 0.3 && < 0.4
+                    , bson >= 0.3 && < 0.5
                     , data-default-class -any
                     , text
                     , bytestring -any