diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+# log-postgres-0.9.0.1 (2023-03-14)
+* Add support for GHC 9.6.
+
 # log-postgres-0.9.0.0 (2022-09-21)
 * Remove deprecated `pgLogger`.
 * Generalize logger related functions to `MonadUnliftIO`.
diff --git a/log-postgres.cabal b/log-postgres.cabal
--- a/log-postgres.cabal
+++ b/log-postgres.cabal
@@ -1,6 +1,6 @@
 cabal-version:       2.0
 name:                log-postgres
-version:             0.9.0.0
+version:             0.9.0.1
 synopsis:            Structured logging solution (PostgreSQL back end)
 
 description:         PostgreSQL back end for the 'log' library suite.
@@ -18,7 +18,7 @@
 category:            System
 build-type:          Simple
 extra-source-files:  CHANGELOG.md, README.md
-tested-with:         GHC ==8.8.4 || ==8.10.7 || ==9.0.2 || ==9.2.4 || ==9.4.2
+tested-with:         GHC ==8.8.4 || ==8.10.7 || ==9.0.2 || ==9.2.7 || ==9.4.4 || ==9.6.1
 
 Source-repository head
   Type:     git
diff --git a/src/Log/Backend/PostgreSQL.hs b/src/Log/Backend/PostgreSQL.hs
--- a/src/Log/Backend/PostgreSQL.hs
+++ b/src/Log/Backend/PostgreSQL.hs
@@ -3,6 +3,7 @@
 
 import Control.Concurrent
 import Control.Exception.Lifted
+import Control.Monad
 import Control.Monad.State.Lazy
 import Control.Monad.IO.Unlift
 import Data.Aeson ((.=), Value(..), object, encode)