diff --git a/src/server/UserResolver.spec.ts b/src/server/UserResolver.spec.ts
index 1da7d53..332640f 100644
--- a/src/server/UserResolver.spec.ts
+++ b/src/server/UserResolver.spec.ts
@@ -60,6 +60,7 @@ describe("resolver of user", () => {
 				expect(jwtLifetime).toBeGreaterThanOrEqual(oneMinute)
 				expect(jwtLifetime).not.toBeGreaterThan(sixteenMinutes)
 				expect(jwtPayload.userId).toBe(user.id)
+				expect(jwtPayload.ms).toBeLessThan(1000)
 				expect(response.errors).toBeUndefined()
 			})
 		)
diff --git a/src/server/userResolver/auth.ts b/src/server/userResolver/auth.ts
index 8efc016..b76517c 100644
--- a/src/server/userResolver/auth.ts
+++ b/src/server/userResolver/auth.ts
@@ -4,84 +4,86 @@ import { sign as jwtSign, verify as jwtVerify } from "jsonwebtoken"
 import { AuthChecker } from "type-graphql"
 
 export const hashPassword = async (password: string) =>
-	await argonHash(password, { type: argon2id })
+    await argonHash(password, { type: argon2id })
 
 export const comparePasswords = async (hash: string, plain: string) => {
-	if (!(await argonVerify(hash, plain, { type: argon2id }))) {
-		throw new Error("Passwords do not match")
-	}
+    if (!(await argonVerify(hash, plain, { type: argon2id }))) {
+        throw new Error("Passwords do not match")
+    }
 
-	return true
+    return true
 }
 
 export const signAccessToken = (payload: ContextPayload) => {
-	const accessTokenSecret = process.env.ACCESS_SECRET as string
+    const accessTokenSecret = process.env.ACCESS_SECRET as string
+    const payloadWithMs = { ...payload, ms: Date.now() % 1000 }
 
-	return jwtSign(payload, accessTokenSecret, {
-		expiresIn: parseInt(process.env.ACCESS_EXPIRY as string),
-	})
+    return jwtSign(payloadWithMs, accessTokenSecret, {
+        expiresIn: parseInt(process.env.ACCESS_EXPIRY as string),
+    })
 }
 
 export const signRefreshToken = (payload: ContextPayload) => {
-	const accessTokenSecret = process.env.REFRESH_SECRET as string
+    const accessTokenSecret = process.env.REFRESH_SECRET as string
 
-	return jwtSign(payload, accessTokenSecret, {
-		expiresIn: parseInt(process.env.REFRESH_EXPIRY as string),
-	})
+    return jwtSign(payload, accessTokenSecret, {
+        expiresIn: parseInt(process.env.REFRESH_EXPIRY as string),
+    })
 }
 
 export const verifiedAccessTokenPayload = (token: string) => {
-	const accessTokenSecret = process.env.ACCESS_SECRET as string
+    const accessTokenSecret = process.env.ACCESS_SECRET as string
 
-	return jwtVerify(token, accessTokenSecret) as JWTPayload
+    return jwtVerify(token, accessTokenSecret) as JWTPayload
 }
 
 export const verifiedRefreshTokenPayload = (token: string) => {
-	const refreshTokenSecret = process.env.REFRESH_SECRET as string
+    const refreshTokenSecret = process.env.REFRESH_SECRET as string
 
-	return jwtVerify(token, refreshTokenSecret) as JWTPayload
+    return jwtVerify(token, refreshTokenSecret) as JWTPayload
 }
 
 export const accessTokenWithRefreshCookie = (userId: number, res: Response) => {
-	const accessToken = signAccessToken({ userId })
+    const accessToken = signAccessToken({ userId })
 
-	const refreshExpiryMs = parseInt(process.env.REFRESH_EXPIRY as string) * 1000
-	res.cookie("rt", signRefreshToken({ userId }), {
-		httpOnly: true,
-		path: "/refresh_token",
-		expires: new Date(new Date().getTime() + refreshExpiryMs),
-	})
+    const refreshExpiryMs = parseInt(process.env.REFRESH_EXPIRY as string) * 1000
+    res.cookie("rt", signRefreshToken({ userId }), {
+        httpOnly: true,
+        path: "/refresh_token",
+        expires: new Date(new Date().getTime() + refreshExpiryMs),
+    })
 
-	return accessToken
+    return accessToken
 }
 
 export const customAuthChecker: AuthChecker<Context> = ({ context }) => {
-	try {
-		const authHeader = context.req.headers["authorization"]
-		const accessToken = authHeader!.split(" ")[1]
-		const accessTokenPayload = verifiedAccessTokenPayload(accessToken)
-		context.payload = accessTokenPayload as ContextPayload
-
-		return true
-	} catch (error) {
-		throw new Error("the valid authorization header is required: " + error)
-	}
+    try {
+        const authHeader = context.req.headers["authorization"]
+        const accessToken = authHeader!.split(" ")[1]
+        const accessTokenPayload = verifiedAccessTokenPayload(accessToken)
+        context.payload = accessTokenPayload as ContextPayload
+
+        return true
+    } catch (error) {
+        throw new Error("the valid authorization header is required: " + error)
+    }
 }
 
 export const contextFunction = ({ req, res }: Context) => ({ req, res })
 
 export type Context = {
-	req: Request
-	res: Response
-	payload?: ContextPayload
+    req: Request
+    res: Response
+    payload?: ContextPayload
 }
 
 type ContextPayload = {
-	userId: number
+    userId: number
 }
 
 type JWTPayload = {
-	userId: number
-	iat: number
-	exp?: number
+    userId: number
+    iat: number
+    exp?: number
+    ms?: number
 }