diff --git a/adapters/quick/src/main/scala/caliban/QuickRequestHandler.scala b/adapters/quick/src/main/scala/caliban/QuickRequestHandler.scala
index d409764f2..6fc8425a4 100644
--- a/adapters/quick/src/main/scala/caliban/QuickRequestHandler.scala
+++ b/adapters/quick/src/main/scala/caliban/QuickRequestHandler.scala
@@ -75,7 +75,8 @@ final private class QuickRequestHandler[R](
 
     def decodeQueryParams(queryParams: QueryParams): Either[Response, GraphQLRequest] = {
       def extractField(key: String) =
-        try Right(queryParams.getAll(key).headOption.map(readFromString[InputValue.ObjectValue](_).fields))
+        try
+          Right(queryParams.getAll(key).headOption.map(readFromString[InputValue.ObjectValue](_, readerConfig).fields))
         catch { case NonFatal(_) => Left(badRequest(s"Invalid $key query param")) }
 
       for {
@@ -101,7 +102,7 @@ final private class QuickRequestHandler[R](
         body.asArray.foldZIO(
           _ => Exit.fail(BodyDecodeErrorResponse),
           arr =>
-            try checkNonEmptyRequest(readFromArray[GraphQLRequest](arr))
+            try checkNonEmptyRequest(readFromArray[GraphQLRequest](arr, readerConfig))
             catch { case NonFatal(_) => Exit.fail(BodyDecodeErrorResponse) }
         )
 
@@ -136,7 +137,7 @@ final private class QuickRequestHandler[R](
       Exit
         .fromOption(partsMap.get(key))
         .flatMap(_.asChunk)
-        .flatMap(v => Exit.fromTry(Try(readFromArray[A](v.toArray))))
+        .flatMap(v => Exit.fromTry(Try(readFromArray[A](v.toArray, readerConfig))))
         .orElseFail(Response.badRequest)
 
     def parsePath(path: String): List[PathValue] = path.split('.').toList.map(PathValue.parse)
@@ -265,7 +266,7 @@ final private class QuickRequestHandler[R](
                  case ChannelEvent.UserEventTriggered(HandshakeComplete) =>
                    out.runForeach(frame => ch.send(ChannelEvent.Read(frame))).forkScoped
                  case ChannelEvent.Read(WebSocketFrame.Text(text))       =>
-                   ZIO.suspend(queue.offer(readFromString[GraphQLWSInput](text)))
+                   ZIO.suspend(queue.offer(readFromString[GraphQLWSInput](text, readerConfig)))
                  case _                                                  =>
                    ZIO.unit
                })
@@ -309,4 +310,9 @@ object QuickRequestHandler {
     }
 
   private implicit val responseCodec: JsonValueCodec[ResponseValue] = ValueJsoniter.responseValueCodec
+
+  private val readerConfig: ReaderConfig = ReaderConfig
+    .withAppendHexDumpToParseException(false)
+    .withMaxBufSize(Int.MaxValue - 2)
+    .withMaxCharBufSize(Int.MaxValue - 2)
 }
diff --git a/interop/tapir/src/main/scala/caliban/interop/tapir/JsonCodecs.scala b/interop/tapir/src/main/scala/caliban/interop/tapir/JsonCodecs.scala
index 2265bd534..b9fcca87b 100644
--- a/interop/tapir/src/main/scala/caliban/interop/tapir/JsonCodecs.scala
+++ b/interop/tapir/src/main/scala/caliban/interop/tapir/JsonCodecs.scala
@@ -2,7 +2,7 @@ package caliban.interop.tapir
 
 import caliban.{ GraphQLRequest, ResponseValue }
 import sttp.tapir.Codec.JsonCodec
-import sttp.tapir.json.jsoniter._
+import MaxCharBufSizeJsonJsoniter._
 
 private object JsonCodecs {
   import caliban.interop.jsoniter.ValueJsoniter.stringListCodec
diff --git a/interop/tapir/src/main/scala/caliban/interop/tapir/MaxCharBufSizeJsonJsoniter.scala b/interop/tapir/src/main/scala/caliban/interop/tapir/MaxCharBufSizeJsonJsoniter.scala
new file mode 100644
index 000000000..7b8c0002e
--- /dev/null
+++ b/interop/tapir/src/main/scala/caliban/interop/tapir/MaxCharBufSizeJsonJsoniter.scala
@@ -0,0 +1,12 @@
+package caliban.interop.tapir
+
+import com.github.plokhotnyuk.jsoniter_scala.core.ReaderConfig
+import sttp.tapir.json.jsoniter.TapirJsonJsoniter
+
+object MaxCharBufSizeJsonJsoniter extends TapirJsonJsoniter {
+  override lazy val readerConfig: ReaderConfig =
+    ReaderConfig
+      .withAppendHexDumpToParseException(false)
+      .withMaxCharBufSize(Int.MaxValue - 2)
+      .withMaxBufSize(Int.MaxValue - 2)
+}
diff --git a/interop/tapir/src/main/scala/caliban/interop/tapir/TapirAdapter.scala b/interop/tapir/src/main/scala/caliban/interop/tapir/TapirAdapter.scala
index 3bba9ff84..4e8e9fee8 100644
--- a/interop/tapir/src/main/scala/caliban/interop/tapir/TapirAdapter.scala
+++ b/interop/tapir/src/main/scala/caliban/interop/tapir/TapirAdapter.scala
@@ -9,7 +9,7 @@ import sttp.model.sse.ServerSentEvent
 import sttp.model.{ headers => _, _ }
 import sttp.monad.MonadError
 import sttp.shared.Identity
-import sttp.tapir.json.jsoniter._
+import MaxCharBufSizeJsonJsoniter._
 import sttp.tapir.model.ServerRequest
 import sttp.tapir.server.ServerEndpoint
 import sttp.tapir.ztapir.ZioServerSentEvents
diff --git a/interop/tapir/src/main/scala/caliban/interop/tapir/WebSocketInterpreter.scala b/interop/tapir/src/main/scala/caliban/interop/tapir/WebSocketInterpreter.scala
index b80bb7dbd..c1cc3baa2 100644
--- a/interop/tapir/src/main/scala/caliban/interop/tapir/WebSocketInterpreter.scala
+++ b/interop/tapir/src/main/scala/caliban/interop/tapir/WebSocketInterpreter.scala
@@ -5,7 +5,7 @@ import caliban.interop.tapir.TapirAdapter._
 import caliban.ws.Protocol
 import sttp.capabilities.zio.ZioStreams
 import sttp.model.{ headers => _ }
-import sttp.tapir.json.jsoniter._
+import MaxCharBufSizeJsonJsoniter._
 import sttp.tapir._
 import sttp.tapir.model.{ ServerRequest, UnsupportedWebSocketFrameException }
 import sttp.tapir.server.ServerEndpoint
diff --git a/interop/tapir/src/test/scala/caliban/interop/tapir/TapirAdapterSpec.scala b/interop/tapir/src/test/scala/caliban/interop/tapir/TapirAdapterSpec.scala
index da3eed173..f3388256b 100644
--- a/interop/tapir/src/test/scala/caliban/interop/tapir/TapirAdapterSpec.scala
+++ b/interop/tapir/src/test/scala/caliban/interop/tapir/TapirAdapterSpec.scala
@@ -14,7 +14,7 @@ import sttp.model._
 import sttp.model.sse.ServerSentEvent
 import sttp.tapir.client.sttp.SttpClientInterpreter
 import sttp.tapir.client.sttp.ws.zio._
-import sttp.tapir.json.jsoniter._
+import MaxCharBufSizeJsonJsoniter._
 import sttp.tapir.model.{ ConnectionInfo, ServerRequest }
 import sttp.tapir.{ AttributeKey, DecodeResult }
 import zio.stream.{ ZPipeline, ZSink, ZStream }