diff --git a/lib/auth/Vault.ts b/lib/auth/Vault.ts
index 471904849..71024a682 100644
--- a/lib/auth/Vault.ts
+++ b/lib/auth/Vault.ts
@@ -66,14 +66,14 @@ export type AuthV2RequestParams = {
     version: 2;
     log: RequestLogger;
     data: {
-        securityToken: string;
         accessKey: string;
-        signatureFromRequest: string;
-        stringToSign: string;
         algo: string;
         authType: 'query' | 'header' | 'REST-HEADER' | 'REST-QUERY-STRING';
-        signatureVersion: string;
+        securityToken: string;
         signatureAge?: number;
+        signatureFromRequest: string;
+        signatureVersion: string;
+        stringToSign: string;
     };
 };
 
@@ -85,7 +85,6 @@ export type AuthV4RequestParams = {
         algo?: string;
         authType?: 'query' | 'header' | 'REST-HEADER' | 'REST-QUERY-STRING';
         credentialScope?: string;
-        log: RequestLogger;
         region: string;
         scopeDate: string;
         securityToken?: string;
@@ -94,7 +93,7 @@ export type AuthV4RequestParams = {
         signatureAge?: number;
         signatureFromRequest: string;
         stringToSign: string;
-        timestamp: number;
+        timestamp?: string;
     };
 };
 
@@ -141,7 +140,7 @@ export default class Vault {
      */
     authenticateV2Request(
         params: AuthV2RequestParams,
-        requestContexts: any[],
+        requestContexts: any[] | null,
         callback: (err: Error | null, data?: any) => void
     ) {
         params.log.debug('authenticating V2 request');
diff --git a/lib/auth/auth.ts b/lib/auth/auth.ts
index d4c8be8da..c926545f1 100644
--- a/lib/auth/auth.ts
+++ b/lib/auth/auth.ts
@@ -1,5 +1,5 @@
 import * as crypto from 'crypto';
-import { Logger } from 'werelogs';
+import { RequestLogger } from 'werelogs';
 import errors, { ArsenalError } from '../errors';
 import * as queryString from 'querystring';
 import AuthInfo from './AuthInfo';
@@ -61,7 +61,7 @@ function setAuthHandler(handler: Vault) {
  */
 function extractParams(
     request: any,
-    log: Logger,
+    log: RequestLogger,
     awsService: string,
     data: { [key: string]: string }
 ): AuthResult<AuthV2RequestParams | AuthV4RequestParams | AuthInfo> {
@@ -121,7 +121,7 @@ function extractParams(
  */
 function doAuth(
     request: any,
-    log: Logger,
+    log: RequestLogger,
     cb: (err: Error | null, data?: any) => void,
     awsService: string,
     requestContexts: any[] | null,
diff --git a/lib/auth/v2/checkRequestExpiry.ts b/lib/auth/v2/checkRequestExpiry.ts
index 72db9be45..b00b8c340 100644
--- a/lib/auth/v2/checkRequestExpiry.ts
+++ b/lib/auth/v2/checkRequestExpiry.ts
@@ -1,9 +1,9 @@
-import { Logger } from 'werelogs';
+import { RequestLogger } from 'werelogs';
 import errors from '../../errors';
 
 const epochTime = new Date('1970-01-01').getTime();
 
-export default function checkRequestExpiry(timestamp: number, log: Logger) {
+export default function checkRequestExpiry(timestamp: number, log: RequestLogger) {
     // If timestamp is before epochTime, the request is invalid and return
     // errors.AccessDenied
     if (timestamp < epochTime) {
diff --git a/lib/auth/v2/constructStringToSign.ts b/lib/auth/v2/constructStringToSign.ts
index eb60d02dd..b93dd688d 100644
--- a/lib/auth/v2/constructStringToSign.ts
+++ b/lib/auth/v2/constructStringToSign.ts
@@ -1,4 +1,4 @@
-import { Logger } from 'werelogs';
+import { RequestLogger } from 'werelogs';
 import utf8 from 'utf8';
 import getCanonicalizedAmzHeaders from './getCanonicalizedAmzHeaders';
 import getCanonicalizedResource from './getCanonicalizedResource';
@@ -6,8 +6,8 @@ import getCanonicalizedResource from './getCanonicalizedResource';
 export default function constructStringToSign(
     request: any,
     data: { [key: string]: string },
-    log: Logger,
-    clientType?: any
+    log: RequestLogger,
+    clientType?: any,
 ) {
     /*
     Build signature per AWS requirements:
diff --git a/lib/auth/v2/headerAuthCheck.ts b/lib/auth/v2/headerAuthCheck.ts
index 5fb51841c..093fbf8df 100644
--- a/lib/auth/v2/headerAuthCheck.ts
+++ b/lib/auth/v2/headerAuthCheck.ts
@@ -1,4 +1,4 @@
-import { Logger } from 'werelogs';
+import { RequestLogger } from 'werelogs';
 import errors from '../../errors';
 import * as constants from '../../constants';
 import constructStringToSign from './constructStringToSign';
@@ -9,7 +9,7 @@ import { AuthResult } from '../auth';
 
 export function check(
     request: any,
-    log: Logger,
+    log: RequestLogger,
     data: { [key: string]: string },
 ): AuthResult<AuthV2RequestParams> {
     log.trace('running header auth check');
diff --git a/lib/auth/v2/queryAuthCheck.ts b/lib/auth/v2/queryAuthCheck.ts
index 4fce57b2c..6d6a6988e 100644
--- a/lib/auth/v2/queryAuthCheck.ts
+++ b/lib/auth/v2/queryAuthCheck.ts
@@ -1,4 +1,4 @@
-import { Logger } from 'werelogs';
+import { RequestLogger } from 'werelogs';
 import errors from '../../errors';
 import * as constants from '../../constants';
 import algoCheck from './algoCheck';
@@ -12,7 +12,7 @@ export const PRE_SIGN_URL_EXPIRY = process.env.PRE_SIGN_URL_EXPIRY ?
 
 export function check(
     request: any,
-    log: Logger,
+    log: RequestLogger,
     data: { [key: string]: string },
 ): AuthResult<AuthV2RequestParams> {
     log.trace('running query auth check');
diff --git a/lib/auth/v4/constructStringToSign.ts b/lib/auth/v4/constructStringToSign.ts
index 045e3aaad..ad623e693 100644
--- a/lib/auth/v4/constructStringToSign.ts
+++ b/lib/auth/v4/constructStringToSign.ts
@@ -1,5 +1,5 @@
 import * as crypto from 'crypto';
-import { Logger } from 'werelogs';
+import { RequestLogger } from 'werelogs';
 import createCanonicalRequest from './createCanonicalRequest';
 
 /**
@@ -14,7 +14,7 @@ export default function constructStringToSign(params: {
     credentialScope: string;
     timestamp: string;
     query: { [key: string]: string };
-    log?: Logger;
+    log?: RequestLogger;
     proxyPath?: string;
     awsService: string;
 }): string {
diff --git a/lib/auth/v4/headerAuthCheck.ts b/lib/auth/v4/headerAuthCheck.ts
index 69cde4039..b308a53e6 100644
--- a/lib/auth/v4/headerAuthCheck.ts
+++ b/lib/auth/v4/headerAuthCheck.ts
@@ -1,4 +1,4 @@
-import { Logger } from 'werelogs';
+import { RequestLogger } from 'werelogs';
 import errors, { ArsenalError } from '../../../lib/errors';
 import * as constants from '../../constants';
 import constructStringToSign from './constructStringToSign';
@@ -25,7 +25,7 @@ import { AuthResult } from '../auth';
  */
 export function check(
     request: any,
-    log: Logger,
+    log: RequestLogger,
     data: { [key: string]: string },
     awsService: string
 ): AuthResult<AuthV4RequestParams> {
diff --git a/lib/auth/v4/queryAuthCheck.ts b/lib/auth/v4/queryAuthCheck.ts
index 2fe346d52..73246bdea 100644
--- a/lib/auth/v4/queryAuthCheck.ts
+++ b/lib/auth/v4/queryAuthCheck.ts
@@ -1,4 +1,4 @@
-import { Logger } from 'werelogs';
+import { RequestLogger } from 'werelogs';
 import * as constants from '../../constants';
 import errors, { ArsenalError } from '../../errors';
 import constructStringToSign from './constructStringToSign';
@@ -16,7 +16,7 @@ import { AuthResult } from '../auth';
  */
 export function check(
     request: any,
-    log: Logger,
+    log: RequestLogger,
     data: { [key: string]: string },
 ): AuthResult<AuthV4RequestParams> {
     const authParams = extractQueryParams(data, log);
diff --git a/lib/auth/v4/timeUtils.ts b/lib/auth/v4/timeUtils.ts
index 646887d77..170df0529 100644
--- a/lib/auth/v4/timeUtils.ts
+++ b/lib/auth/v4/timeUtils.ts
@@ -1,4 +1,4 @@
-import { Logger } from 'werelogs';
+import { RequestLogger } from 'werelogs';
 
 /**
  * Convert timestamp to milliseconds since Unix Epoch
@@ -34,7 +34,7 @@ export function convertUTCtoISO8601(timestamp: string | number) {
  * @param log - log for request
  * @return true if there is a time problem
  */
-export function checkTimeSkew(timestamp: string, expiry: number, log: Logger) {
+export function checkTimeSkew(timestamp: string, expiry: number, log: RequestLogger) {
     const currentTime = Date.now();
     const fifteenMinutes = (15 * 60 * 1000);
     const parsedTimestamp = convertAmzTimeToMs(timestamp);
diff --git a/lib/auth/v4/validateInputs.ts b/lib/auth/v4/validateInputs.ts
index c3611111f..8df22f5c5 100644
--- a/lib/auth/v4/validateInputs.ts
+++ b/lib/auth/v4/validateInputs.ts
@@ -1,4 +1,4 @@
-import { Logger } from 'werelogs';
+import { RequestLogger } from 'werelogs';
 import errors, { ArsenalError } from '../../../lib/errors';
 
 /**
@@ -12,7 +12,7 @@ import errors, { ArsenalError } from '../../../lib/errors';
 export function validateCredentials(
     credentials: [string, string, string, string, string],
     timestamp: string,
-    log: Logger
+    log: RequestLogger,
 ): ArsenalError | {} {
     if (!Array.isArray(credentials) || credentials.length !== 5) {
         log.warn('credentials in improper format', { credentials });
@@ -66,7 +66,7 @@ export function validateCredentials(
  */
 export function extractQueryParams(
     queryObj: { [key: string]: string | undefined },
-    log: Logger
+    log: RequestLogger,
 ) {
     const authParams: {
         signedHeaders?: string;
@@ -137,7 +137,7 @@ export function extractQueryParams(
  * @param log - logging object
  * @return object containing extracted auth header items for authV4
  */
-export function extractAuthItems(authHeader: string, log: Logger) {
+export function extractAuthItems(authHeader: string, log: RequestLogger) {
     const authItems: {
         credentialsArr?: [string, string, string, string, string];
         signedHeaders?: string;