diff --git a/go.mod b/go.mod
index 34e0b53..054e678 100644
--- a/go.mod
+++ b/go.mod
@@ -5,12 +5,12 @@ go 1.21
 require (
 	github.com/VictoriaMetrics/metrics v1.31.0
 	github.com/buger/jsonparser v1.1.1
+	github.com/goccy/go-json v0.10.2
 	github.com/gofiber/fiber/v2 v2.52.0
 	github.com/gofrs/flock v0.8.1
 	github.com/google/uuid v1.6.0
 	github.com/gookit/goutil v0.6.15
 	github.com/graphql-go/graphql v0.8.1
-	github.com/json-iterator/go v1.1.12
 	github.com/lukaszraczylo/ask v0.0.0-20230927103145-2ff1123b4415
 	github.com/lukaszraczylo/go-ratecounter v0.1.8
 	github.com/lukaszraczylo/go-simple-graphql v1.2.8
@@ -24,6 +24,7 @@ require (
 	github.com/avast/retry-go/v4 v4.5.1 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/gookit/color v1.5.4 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/klauspost/compress v1.17.5 // indirect
 	github.com/kr/pretty v0.3.1 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
diff --git a/go.sum b/go.sum
index 528145b..6cecaa6 100644
--- a/go.sum
+++ b/go.sum
@@ -11,6 +11,8 @@ github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ3
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU=
+github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
 github.com/gofiber/fiber/v2 v2.52.0 h1:S+qXi7y+/Pgvqq4DrSmREGiFwtB7Bu6+QFLuIHYw/UE=
 github.com/gofiber/fiber/v2 v2.52.0/go.mod h1:KEOE+cXMhXG0zHc9d8+E38hoX+ZN7bhOtgeF2oT6jrQ=
diff --git a/server.go b/server.go
index f930b43..7a99937 100644
--- a/server.go
+++ b/server.go
@@ -5,17 +5,15 @@ import (
 	"strconv"
 	"time"
 
+	"github.com/goccy/go-json"
 	fiber "github.com/gofiber/fiber/v2"
 	"github.com/gofiber/fiber/v2/middleware/cors"
 	"github.com/google/uuid"
 
-	jsoniter "github.com/json-iterator/go"
 	libpack_config "github.com/lukaszraczylo/graphql-monitoring-proxy/config"
 	libpack_monitoring "github.com/lukaszraczylo/graphql-monitoring-proxy/monitoring"
 )
 
-var json = jsoniter.ConfigCompatibleWithStandardLibrary
-
 // StartHTTPProxy starts the HTTP and points it to the GraphQL server.
 func StartHTTPProxy() {
 	server := fiber.New(fiber.Config{
@@ -24,6 +22,8 @@ func StartHTTPProxy() {
 		IdleTimeout:           time.Duration(cfg.Client.ClientTimeout) * time.Second * 2,
 		ReadTimeout:           time.Duration(cfg.Client.ClientTimeout) * time.Second * 2,
 		WriteTimeout:          time.Duration(cfg.Client.ClientTimeout) * time.Second * 2,
+		JSONEncoder:           json.Marshal,
+		JSONDecoder:           json.Unmarshal,
 	})
 
 	server.Use(cors.New(cors.Config{