diff --git a/backend/go.mod b/backend/go.mod
index 19e721d77..f3312a02b 100644
--- a/backend/go.mod
+++ b/backend/go.mod
@@ -22,6 +22,7 @@ require (
 	github.com/sahilm/fuzzy v0.1.1
 	github.com/spf13/viper v1.18.2
 	github.com/swaggo/swag v1.16.3
+	go.opentelemetry.io/otel/sdk v1.26.0
 	golang.org/x/crypto v0.23.0
 	golang.org/x/text v0.15.0
 	gorm.io/driver/postgres v1.5.7
@@ -49,7 +50,6 @@ require (
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	go.opentelemetry.io/contrib v1.17.0 // indirect
 	go.opentelemetry.io/otel/metric v1.26.0 // indirect
-	go.opentelemetry.io/otel/sdk v1.26.0 // indirect
 	go.opentelemetry.io/otel/trace v1.26.0 // indirect
 	go.uber.org/atomic v1.11.0 // indirect
 )
diff --git a/backend/go.sum b/backend/go.sum
index 10869128a..34077d18d 100644
--- a/backend/go.sum
+++ b/backend/go.sum
@@ -218,14 +218,20 @@ github.com/valyala/tcplisten v1.0.0 h1:rBHj/Xf+E1tRGZyWIWwJDiRY0zc1Js+CV5DqwacVS
 github.com/valyala/tcplisten v1.0.0/go.mod h1:T0xQ8SeCZGxckz9qRXTfG43PvQ/mcWh7FwZEA7Ioqkc=
 go.opentelemetry.io/contrib v1.17.0 h1:lJJdtuNsP++XHD7tXDYEFSpsqIc7DzShuXMR5PwkmzA=
 go.opentelemetry.io/contrib v1.17.0/go.mod h1:gIzjwWFoGazJmtCaDgViqOSJPde2mCWzv60o0bWPcZs=
+go.opentelemetry.io/contrib/propagators/b3 v1.17.0 h1:ImOVvHnku8jijXqkwCSyYKRDt2YrnGXD4BbhcpfbfJo=
+go.opentelemetry.io/contrib/propagators/b3 v1.17.0/go.mod h1:IkfUfMpKWmynvvE0264trz0sf32NRTZL4nuAN9AbWRc=
 go.opentelemetry.io/otel v1.26.0 h1:LQwgL5s/1W7YiiRwxf03QGnWLb2HW4pLiAhaA5cZXBs=
 go.opentelemetry.io/otel v1.26.0/go.mod h1:UmLkJHUAidDval2EICqBMbnAd0/m2vmpf/dAM+fvFs4=
 go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.26.0 h1:0W5o9SzoR15ocYHEQfvfipzcNog1lBxOLfnex91Hk6s=
 go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.26.0/go.mod h1:zVZ8nz+VSggWmnh6tTsJqXQ7rU4xLwRtna1M4x5jq58=
 go.opentelemetry.io/otel/metric v1.26.0 h1:7S39CLuY5Jgg9CrnA9HHiEjGMF/X2VHvoXGgSllRz30=
 go.opentelemetry.io/otel/metric v1.26.0/go.mod h1:SY+rHOI4cEawI9a7N1A4nIg/nTQXe1ccCNWYOJUrpX4=
+go.opentelemetry.io/otel/oteltest v1.0.0-RC3 h1:MjaeegZTaX0Bv9uB9CrdVjOFM/8slRjReoWoV9xDCpY=
+go.opentelemetry.io/otel/oteltest v1.0.0-RC3/go.mod h1:xpzajI9JBRr7gX63nO6kAmImmYIAtuQblZ36Z+LfCjE=
 go.opentelemetry.io/otel/sdk v1.26.0 h1:Y7bumHf5tAiDlRYFmGqetNcLaVUZmh4iYfmGxtmz7F8=
 go.opentelemetry.io/otel/sdk v1.26.0/go.mod h1:0p8MXpqLeJ0pzcszQQN4F0S5FVjBLgypeGSngLsmirs=
+go.opentelemetry.io/otel/sdk/metric v0.39.0 h1:Kun8i1eYf48kHH83RucG93ffz0zGV1sh46FAScOTuDI=
+go.opentelemetry.io/otel/sdk/metric v0.39.0/go.mod h1:piDIRgjcK7u0HCL5pCA4e74qpK/jk3NiUoAHATVAmiI=
 go.opentelemetry.io/otel/trace v1.26.0 h1:1ieeAUb4y0TE26jUFrCIXKpTuVK7uJGN9/Z/2LP5sQA=
 go.opentelemetry.io/otel/trace v1.26.0/go.mod h1:4iDxvGDQuUkHve82hJJ8UqrwswHYsZuWCBllGV2U2y0=
 go.uber.org/atomic v1.11.0 h1:ZvwS0R+56ePWxUNi+Atn9dWONBPp/AUETXlHW0DxSjE=
diff --git a/backend/server/server.go b/backend/server/server.go
index fcd95b3d6..ebb1e8ac7 100644
--- a/backend/server/server.go
+++ b/backend/server/server.go
@@ -99,6 +99,9 @@ func newFiberApp(appSettings config.ApplicationSettings) *fiber.App {
 	app.Use(cors.New(cors.Config{
 		AllowOrigins:     fmt.Sprintf("http://%s:%d", appSettings.Host, appSettings.Port),
 		AllowCredentials: true,
+		AllowHeaders:     "Origin, Content-Type, Accept, Authorization",
+		AllowMethods:     "GET, POST, PUT, DELETE, OPTIONS",
+		ExposeHeaders:    "Authorization, Content-Length, Content-Type",
 	}))
 
 	app.Use(requestid.New())