diff --git a/Dockerfile b/Dockerfile
index 0b695b6..8cf9c40 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,7 @@ ARG VERSION="latest"
 ENV VERSION="$VERSION"
 
 RUN echo "$VERSION"
-RUN apk add build-base &&\
+RUN apk add build-base nodejs &&\
     make clean && make && \
     chmod 777 build/server
 
diff --git a/server/go.mod b/server/go.mod
index 27897bf..da00d5c 100644
--- a/server/go.mod
+++ b/server/go.mod
@@ -16,6 +16,7 @@ require (
 	github.com/json-iterator/go v1.1.11 // indirect
 	github.com/mattn/go-isatty v0.0.13 // indirect
 	github.com/mattn/go-sqlite3 v1.14.7 // indirect
+	github.com/robertkrimen/otto v0.0.0-20211024170158-b87d35c0b86f // indirect
 	github.com/ugorji/go v1.2.6 // indirect
 	github.com/vektah/gqlparser/v2 v2.1.0
 	golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97
@@ -28,5 +29,4 @@ require (
 	gorm.io/driver/postgres v1.1.0
 	gorm.io/driver/sqlite v1.1.4
 	gorm.io/gorm v1.21.11
-	rogchap.com/v8go v0.6.0 // indirect
 )
diff --git a/server/go.sum b/server/go.sum
index 9506459..808720c 100644
--- a/server/go.sum
+++ b/server/go.sum
@@ -556,6 +556,8 @@ github.com/prometheus/procfs v0.0.8/go.mod h1:7Qr8sr6344vo1JqZ6HhLceV9o3AJ1Ff+Gx
 github.com/rcrowley/go-metrics v0.0.0-20181016184325-3113b8401b8a/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4=
 github.com/robertkrimen/otto v0.0.0-20211019175142-5b0d97091c6f h1:wOVoULFf7IVSJ9hl8wnQew/kCpchffRb7a81H9/IcS4=
 github.com/robertkrimen/otto v0.0.0-20211019175142-5b0d97091c6f/go.mod h1:/mK7FZ3mFYEn9zvNPhpngTyatyehSwte5bJZ4ehL5Xw=
+github.com/robertkrimen/otto v0.0.0-20211024170158-b87d35c0b86f h1:a7clxaGmmqtdNTXyvrp/lVO/Gnkzlhc/+dLs5v965GM=
+github.com/robertkrimen/otto v0.0.0-20211024170158-b87d35c0b86f/go.mod h1:/mK7FZ3mFYEn9zvNPhpngTyatyehSwte5bJZ4ehL5Xw=
 github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
 github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
diff --git a/server/utils/authToken.go b/server/utils/authToken.go
index a79ec7e..8dcb87b 100644
--- a/server/utils/authToken.go
+++ b/server/utils/authToken.go
@@ -13,7 +13,7 @@ import (
 	"github.com/authorizerdev/authorizer/server/enum"
 	"github.com/gin-gonic/gin"
 	"github.com/golang-jwt/jwt"
-	v8 "rogchap.com/v8go"
+	"github.com/robertkrimen/otto"
 )
 
 func CreateAuthToken(user db.User, tokenType enum.TokenType, roles []string) (string, int64, error) {
@@ -50,25 +50,25 @@ func CreateAuthToken(user db.User, tokenType enum.TokenType, roles []string) (st
 			"signUpMethods": strings.Split(user.SignupMethod, ","),
 		}
 
-		ctx, _ := v8.NewContext()
+		vm := otto.New()
 		userBytes, _ := json.Marshal(userInfo)
 		claimBytes, _ := json.Marshal(customClaims)
 
-		ctx.RunScript(fmt.Sprintf(`
-			const user = %s;
-			const tokenPayload = %s;
-			const customFunction = %s;
-			const functionRes = JSON.stringify(customFunction(user, tokenPayload));
-		`, string(userBytes), string(claimBytes), accessTokenScript), "functionCall.js")
+		vm.Run(fmt.Sprintf(`
+			var user = %s;
+			var tokenPayload = %s;
+			var customFunction = %s;
+			var functionRes = JSON.stringify(customFunction(user, tokenPayload));
+		`, string(userBytes), string(claimBytes), accessTokenScript))
 
-		val, err := ctx.RunScript("functionRes", "functionRes.js")
+		val, err := vm.Get("functionRes")
 
 		if err != nil {
 			log.Println("=> err custom access token script:", err)
 		} else {
 			extraPayload := make(map[string]interface{})
 			err = json.Unmarshal([]byte(fmt.Sprintf("%s", val)), &extraPayload)
-
+			log.Println("extra:", extraPayload)
 			if err != nil {
 				log.Println("Error converting accessTokenScript response to map:", err)
 			} else {