diff --git a/core/HaskellWorks/Polysemy/Log.hs b/core/HaskellWorks/Polysemy/Log.hs
--- a/core/HaskellWorks/Polysemy/Log.hs
+++ b/core/HaskellWorks/Polysemy/Log.hs
@@ -11,8 +11,16 @@
 module HaskellWorks.Polysemy.Log
   ( interpretDataLogNoop,
     interpretDataLogLocalNoop,
+    interpretDataLogToJsonStdout,
+    logEntryToJson,
+    logMessageToJson,
   ) where
 
+import           Data.Aeson
+import qualified Data.Aeson                  as J
+import qualified Data.ByteString.Lazy        as LBS
+import qualified Data.Text.Encoding          as T
+import qualified GHC.Stack                   as GHC
 import           HaskellWorks.Prelude
 import           Polysemy
 import           Polysemy.Internal.Tactics   (liftT)
@@ -34,3 +42,39 @@
     Log.Local f ma ->
       raise . interpretDataLogLocalNoop (f . context) =<< runT ma
 {-# inline interpretDataLogLocalNoop #-}
+
+interpretDataLogToJsonStdout :: ()
+  => Member (Embed IO) r
+  => (e -> J.Value)
+  -> Sem (DataLog e : r) a
+  -> Sem r a
+interpretDataLogToJsonStdout toJson =
+  interpretDataLogStdoutWith (T.decodeUtf8 . LBS.toStrict . J.encode . toJson)
+
+logEntryToJson :: (a -> Value) -> LogEntry a -> Value
+logEntryToJson aToJson (LogEntry value time callstack) =
+    object
+      [ "time" .= time
+      , "data" .= aToJson value
+      , "callstack" .= fmap callsiteToJson (GHC.getCallStack callstack)
+      ]
+    where
+      callsiteToJson :: ([Char], GHC.SrcLoc) -> Value
+      callsiteToJson (caller, srcLoc) =
+        object
+          [ "caller"    .= caller
+          , "package"   .= GHC.srcLocPackage srcLoc
+          , "module"    .= GHC.srcLocModule srcLoc
+          , "file"      .= GHC.srcLocFile srcLoc
+          , "startLine" .= GHC.srcLocStartLine srcLoc
+          , "startCol"  .= GHC.srcLocStartCol srcLoc
+          , "endLine"   .= GHC.srcLocEndLine srcLoc
+          , "endCol"    .= GHC.srcLocEndCol srcLoc
+          ]
+
+logMessageToJson :: LogMessage -> Value
+logMessageToJson (LogMessage severity message) =
+    object
+      [ "severity" .= show severity
+      , "message"  .= message
+      ]
diff --git a/hw-polysemy.cabal b/hw-polysemy.cabal
--- a/hw-polysemy.cabal
+++ b/hw-polysemy.cabal
@@ -1,6 +1,6 @@
 cabal-version:          3.4
 name:                   hw-polysemy
-version:                0.2.14.1
+version:                0.2.14.2
 synopsis:               Opinionated polysemy library
 description:            Opinionated polysemy library.
 license:                Apache-2.0
@@ -33,11 +33,11 @@
 common filepath                   { build-depends: filepath                                    < 1.6    }
 common generic-lens               { build-depends: generic-lens                                < 2.3    }
 common ghc-prim                   { build-depends: ghc-prim                                    < 0.12   }
+common hedgehog                   { build-depends: hedgehog                                    < 1.6    }
 common http-conduit               { build-depends: http-conduit               >= 2.3        && < 2.4    }
-common hedgehog                   { build-depends: hedgehog                                    < 1.5    }
-common network                    { build-depends: network                                     < 3.3    }
 common lens                       { build-depends: lens                                        < 5.4    }
-common mtl                        { build-depends: mtl                                         < 5.4    }
+common mtl                        { build-depends: mtl                                         < 2.4    }
+common network                    { build-depends: network                                     < 3.3    }
 common polysemy                   { build-depends: polysemy                                    < 2      }
 common polysemy-log               { build-depends: polysemy-log               >= 0.11       && < 1      }
 common polysemy-plugin            { build-depends: polysemy-plugin                             < 0.5    }
@@ -50,8 +50,8 @@
 common tasty-discover             { build-depends: tasty-discover                              < 6      }
 common tasty-hedgehog             { build-depends: tasty-hedgehog                              < 1.5    }
 common temporary                  { build-depends: temporary                                   < 1.4    }
-common text                       { build-depends: text                                        < 3      }
 common testcontainers             { build-depends: testcontainers                              < 0.6    }
+common text                       { build-depends: text                                        < 3      }
 common time                       { build-depends: time                                        < 2      }
 common transformers               { build-depends: transformers                                < 0.7    }
 common unliftio                   { build-depends: unliftio                                    < 0.3    }