diff --git a/servant-util-beam-pg.cabal b/servant-util-beam-pg.cabal
--- a/servant-util-beam-pg.cabal
+++ b/servant-util-beam-pg.cabal
@@ -1,13 +1,13 @@
 cabal-version: 1.12
 
--- This file has been generated from package.yaml by hpack version 0.33.0.
+-- This file has been generated from package.yaml by hpack version 0.34.4.
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: da091e89b5283b93f121291686274f3183b3b5a629c0a94d810b1c499e58f4aa
+-- hash: dc7c172794568494e65007d712b2c9cf16507724b081993a576e7c9fdcdc7e67
 
 name:           servant-util-beam-pg
-version:        0.3
+version:        0.4
 synopsis:       Implementation of servant-util primitives for beam-postgres.
 category:       Servant, Web, Database
 homepage:       https://github.com/serokell/servant-util#readme
@@ -35,7 +35,39 @@
       Paths_servant_util_beam_pg
   hs-source-dirs:
       src
-  default-extensions: AllowAmbiguousTypes BangPatterns ConstraintKinds DataKinds DefaultSignatures DeriveDataTypeable DeriveGeneric EmptyCase FlexibleContexts FlexibleInstances FunctionalDependencies GADTs GeneralizedNewtypeDeriving LambdaCase MultiParamTypeClasses MultiWayIf NamedFieldPuns NoImplicitPrelude OverloadedStrings OverloadedLabels PatternSynonyms RankNTypes RecordWildCards ScopedTypeVariables StandaloneDeriving TemplateHaskell TupleSections TypeFamilies TypeOperators UndecidableInstances ViewPatterns TypeApplications
+  default-extensions:
+      AllowAmbiguousTypes
+      BangPatterns
+      ConstraintKinds
+      DataKinds
+      DefaultSignatures
+      DeriveDataTypeable
+      DeriveGeneric
+      EmptyCase
+      FlexibleContexts
+      FlexibleInstances
+      FunctionalDependencies
+      GADTs
+      GeneralizedNewtypeDeriving
+      LambdaCase
+      MultiParamTypeClasses
+      MultiWayIf
+      NamedFieldPuns
+      NoImplicitPrelude
+      OverloadedStrings
+      OverloadedLabels
+      PatternSynonyms
+      RankNTypes
+      RecordWildCards
+      ScopedTypeVariables
+      StandaloneDeriving
+      TemplateHaskell
+      TupleSections
+      TypeFamilies
+      TypeOperators
+      UndecidableInstances
+      ViewPatterns
+      TypeApplications
   ghc-options: -Wall
   build-depends:
       base >=4.7 && <5
@@ -57,7 +89,39 @@
       Paths_servant_util_beam_pg
   hs-source-dirs:
       examples
-  default-extensions: AllowAmbiguousTypes BangPatterns ConstraintKinds DataKinds DefaultSignatures DeriveDataTypeable DeriveGeneric EmptyCase FlexibleContexts FlexibleInstances FunctionalDependencies GADTs GeneralizedNewtypeDeriving LambdaCase MultiParamTypeClasses MultiWayIf NamedFieldPuns NoImplicitPrelude OverloadedStrings OverloadedLabels PatternSynonyms RankNTypes RecordWildCards ScopedTypeVariables StandaloneDeriving TemplateHaskell TupleSections TypeFamilies TypeOperators UndecidableInstances ViewPatterns TypeApplications
+  default-extensions:
+      AllowAmbiguousTypes
+      BangPatterns
+      ConstraintKinds
+      DataKinds
+      DefaultSignatures
+      DeriveDataTypeable
+      DeriveGeneric
+      EmptyCase
+      FlexibleContexts
+      FlexibleInstances
+      FunctionalDependencies
+      GADTs
+      GeneralizedNewtypeDeriving
+      LambdaCase
+      MultiParamTypeClasses
+      MultiWayIf
+      NamedFieldPuns
+      NoImplicitPrelude
+      OverloadedStrings
+      OverloadedLabels
+      PatternSynonyms
+      RankNTypes
+      RecordWildCards
+      ScopedTypeVariables
+      StandaloneDeriving
+      TemplateHaskell
+      TupleSections
+      TypeFamilies
+      TypeOperators
+      UndecidableInstances
+      ViewPatterns
+      TypeApplications
   ghc-options: -Wall -threaded -rtsopts -with-rtsopts=-N -O2
   build-depends:
       base >=4.7 && <5
@@ -82,7 +146,39 @@
       Paths_servant_util_beam_pg
   hs-source-dirs:
       tests
-  default-extensions: AllowAmbiguousTypes BangPatterns ConstraintKinds DataKinds DefaultSignatures DeriveDataTypeable DeriveGeneric EmptyCase FlexibleContexts FlexibleInstances FunctionalDependencies GADTs GeneralizedNewtypeDeriving LambdaCase MultiParamTypeClasses MultiWayIf NamedFieldPuns NoImplicitPrelude OverloadedStrings OverloadedLabels PatternSynonyms RankNTypes RecordWildCards ScopedTypeVariables StandaloneDeriving TemplateHaskell TupleSections TypeFamilies TypeOperators UndecidableInstances ViewPatterns TypeApplications
+  default-extensions:
+      AllowAmbiguousTypes
+      BangPatterns
+      ConstraintKinds
+      DataKinds
+      DefaultSignatures
+      DeriveDataTypeable
+      DeriveGeneric
+      EmptyCase
+      FlexibleContexts
+      FlexibleInstances
+      FunctionalDependencies
+      GADTs
+      GeneralizedNewtypeDeriving
+      LambdaCase
+      MultiParamTypeClasses
+      MultiWayIf
+      NamedFieldPuns
+      NoImplicitPrelude
+      OverloadedStrings
+      OverloadedLabels
+      PatternSynonyms
+      RankNTypes
+      RecordWildCards
+      ScopedTypeVariables
+      StandaloneDeriving
+      TemplateHaskell
+      TupleSections
+      TypeFamilies
+      TypeOperators
+      UndecidableInstances
+      ViewPatterns
+      TypeApplications
   ghc-options: -Wall -threaded -rtsopts -with-rtsopts=-N
   build-tool-depends:
       hspec-discover:hspec-discover