diff --git a/packages/nestjs-auth-jwt/src/auth-jwt.strategy.ts b/packages/nestjs-auth-jwt/src/auth-jwt.strategy.ts
index 483ea28ee..e5b2812d2 100644
--- a/packages/nestjs-auth-jwt/src/auth-jwt.strategy.ts
+++ b/packages/nestjs-auth-jwt/src/auth-jwt.strategy.ts
@@ -5,7 +5,11 @@ import {
   PassportStrategyFactory,
   VerifyTokenServiceInterface,
 } from '@concepta/nestjs-authentication';
-import { JwtStrategy, JwtStrategyOptionsInterface } from '@concepta/nestjs-jwt';
+import {
+  createVerifyAccessTokenCallback,
+  JwtStrategy,
+  JwtStrategyOptionsInterface,
+} from '@concepta/nestjs-jwt';
 import { QueryOptionsInterface } from '@concepta/typeorm-common';
 
 import {
@@ -17,7 +21,6 @@ import {
 
 import { AuthJwtSettingsInterface } from './interfaces/auth-jwt-settings.interface';
 import { AuthJwtUserLookupServiceInterface } from './interfaces/auth-jwt-user-lookup-service.interface';
-import { createVerifyTokenCallback } from './utils/create-verify-token-callback.util';
 
 @Injectable()
 export class AuthJwtStrategy extends PassportStrategyFactory<JwtStrategy>(
@@ -33,7 +36,7 @@ export class AuthJwtStrategy extends PassportStrategyFactory<JwtStrategy>(
     private userLookupService: AuthJwtUserLookupServiceInterface,
   ) {
     const options: Partial<JwtStrategyOptionsInterface> = {
-      verifyToken: createVerifyTokenCallback(verifyTokenService),
+      verifyToken: createVerifyAccessTokenCallback(verifyTokenService),
       ...settings,
     };
 
diff --git a/packages/nestjs-auth-jwt/src/utils/create-verify-token-callback.util.ts b/packages/nestjs-auth-jwt/src/utils/create-verify-token-callback.util.ts
deleted file mode 100644
index 0bdbbe65a..000000000
--- a/packages/nestjs-auth-jwt/src/utils/create-verify-token-callback.util.ts
+++ /dev/null
@@ -1,15 +0,0 @@
-import { VerifyTokenServiceInterface } from '@concepta/nestjs-authentication';
-
-export function createVerifyTokenCallback(
-  verifyTokenService: VerifyTokenServiceInterface,
-) {
-  return (
-    token: string,
-    done: (error?: Error, decodedToken?: unknown) => void,
-  ): void => {
-    verifyTokenService
-      .accessToken(token)
-      .then((decodedToken: unknown) => done(undefined, decodedToken))
-      .catch((error) => done(error));
-  };
-}
diff --git a/packages/nestjs-auth-refresh/src/auth-refresh.strategy.spec.ts b/packages/nestjs-auth-refresh/src/auth-refresh.strategy.spec.ts
index 756563cf9..bd401cae5 100644
--- a/packages/nestjs-auth-refresh/src/auth-refresh.strategy.spec.ts
+++ b/packages/nestjs-auth-refresh/src/auth-refresh.strategy.spec.ts
@@ -19,6 +19,8 @@ describe(AuthRefreshStrategy, () => {
   let authorizationPayloadInterface: AuthorizationPayloadInterface;
 
   beforeEach(async () => {
+    // TODO: configure JWT module to use different access and refresh secrets
+
     settings = mock<Partial<AuthRefreshSettingsInterface>>();
 
     userLookUpService = mock<AuthRefreshUserLookupServiceInterface>();
diff --git a/packages/nestjs-auth-refresh/src/auth-refresh.strategy.ts b/packages/nestjs-auth-refresh/src/auth-refresh.strategy.ts
index eecdd83ed..e01cd0a50 100644
--- a/packages/nestjs-auth-refresh/src/auth-refresh.strategy.ts
+++ b/packages/nestjs-auth-refresh/src/auth-refresh.strategy.ts
@@ -3,7 +3,10 @@ import {
   PassportStrategyFactory,
   VerifyTokenServiceInterface,
 } from '@concepta/nestjs-authentication';
-import { JwtStrategy } from '@concepta/nestjs-jwt';
+import {
+  createVerifyRefreshTokenCallback,
+  JwtStrategy,
+} from '@concepta/nestjs-jwt';
 import { AuthorizationPayloadInterface } from '@concepta/ts-common';
 import { QueryOptionsInterface } from '@concepta/typeorm-common';
 
@@ -16,7 +19,6 @@ import {
 
 import { AuthRefreshSettingsInterface } from './interfaces/auth-refresh-settings.interface';
 import { AuthRefreshUserLookupServiceInterface } from './interfaces/auth-refresh-user-lookup-service.interface';
-import { createVerifyTokenCallback } from './utils/create-verify-token-callback.util';
 
 @Injectable()
 export class AuthRefreshStrategy extends PassportStrategyFactory<JwtStrategy>(
@@ -32,7 +34,7 @@ export class AuthRefreshStrategy extends PassportStrategyFactory<JwtStrategy>(
     private userLookupService: AuthRefreshUserLookupServiceInterface,
   ) {
     const options: Partial<AuthRefreshSettingsInterface> = {
-      verifyToken: createVerifyTokenCallback(verifyTokenService),
+      verifyToken: createVerifyRefreshTokenCallback(verifyTokenService),
       ...settings,
     };
 
diff --git a/packages/nestjs-auth-refresh/src/utils/create-verify-token-callback.util.ts b/packages/nestjs-auth-refresh/src/utils/create-verify-token-callback.util.ts
deleted file mode 100644
index 47543b187..000000000
--- a/packages/nestjs-auth-refresh/src/utils/create-verify-token-callback.util.ts
+++ /dev/null
@@ -1,15 +0,0 @@
-import { VerifyTokenServiceInterface } from '@concepta/nestjs-authentication';
-
-export function createVerifyTokenCallback(
-  verifyTokenService: VerifyTokenServiceInterface,
-) {
-  return (
-    token: string,
-    done: (error?: Error, decodedToken?: unknown) => void,
-  ): void => {
-    verifyTokenService
-      .accessToken(token)
-      .then((decodedToken) => done(undefined, decodedToken))
-      .catch((error) => done(error));
-  };
-}
diff --git a/packages/nestjs-jwt/src/index.ts b/packages/nestjs-jwt/src/index.ts
index fdce965ba..f7c030135 100644
--- a/packages/nestjs-jwt/src/index.ts
+++ b/packages/nestjs-jwt/src/index.ts
@@ -1,3 +1,6 @@
+// types
+export { JwtTokenType, JwtVerifyTokenCallback } from './jwt.types';
+
 // interfaces
 export { JwtStrategyOptionsInterface } from './interfaces/jwt-strategy-options.interface';
 export { JwtIssueServiceInterface } from './interfaces/jwt-issue-service.interface';
@@ -12,3 +15,7 @@ export { JwtVerifyService } from './services/jwt-verify.service';
 // strategy exports
 export { ExtractJwt, JwtFromRequestFunction } from 'passport-jwt';
 export { JwtStrategy } from './jwt.strategy';
+
+// utils
+export { createVerifyAccessTokenCallback } from './utils/create-verify-access-token-callback.util';
+export { createVerifyRefreshTokenCallback } from './utils/create-verify-refresh-token-callback.util';
diff --git a/packages/nestjs-jwt/src/interfaces/jwt-strategy-options.interface.ts b/packages/nestjs-jwt/src/interfaces/jwt-strategy-options.interface.ts
index d9a921600..0f8ed81c5 100644
--- a/packages/nestjs-jwt/src/interfaces/jwt-strategy-options.interface.ts
+++ b/packages/nestjs-jwt/src/interfaces/jwt-strategy-options.interface.ts
@@ -1,9 +1,7 @@
 import { StrategyOptions } from 'passport-jwt';
+import { JwtVerifyTokenCallback } from '../jwt.types';
 
 export interface JwtStrategyOptionsInterface
   extends Pick<StrategyOptions, 'jwtFromRequest'> {
-  verifyToken: (
-    token: string,
-    done: (err?: Error, decodedToken?: unknown) => void,
-  ) => void;
+  verifyToken: JwtVerifyTokenCallback;
 }
diff --git a/packages/nestjs-jwt/src/jwt.strategy.ts b/packages/nestjs-jwt/src/jwt.strategy.ts
index a83d91506..fb92d347d 100644
--- a/packages/nestjs-jwt/src/jwt.strategy.ts
+++ b/packages/nestjs-jwt/src/jwt.strategy.ts
@@ -35,6 +35,8 @@ export class JwtStrategy extends PassportStrategy {
   }
 
   private verifyTokenCallback(e?: Error, decodedToken?: unknown) {
+    // TODO: configure JWT module to use different access and refresh secrets
+
     if (e) {
       return this.error(e);
     }
diff --git a/packages/nestjs-jwt/src/jwt.types.ts b/packages/nestjs-jwt/src/jwt.types.ts
index df1085924..08bb0081b 100644
--- a/packages/nestjs-jwt/src/jwt.types.ts
+++ b/packages/nestjs-jwt/src/jwt.types.ts
@@ -1 +1,9 @@
 export type JwtTokenType = 'access' | 'refresh';
+
+export type JwtVerifyTokenCallback<
+  ErrorType extends Error = Error,
+  DecodedTokenType extends unknown = unknown,
+> = (
+  token: string,
+  done: (err?: ErrorType, decodedToken?: DecodedTokenType) => void,
+) => void;
diff --git a/packages/nestjs-jwt/src/utils/create-verify-access-token-callback.util.ts b/packages/nestjs-jwt/src/utils/create-verify-access-token-callback.util.ts
new file mode 100644
index 000000000..2b5531686
--- /dev/null
+++ b/packages/nestjs-jwt/src/utils/create-verify-access-token-callback.util.ts
@@ -0,0 +1,16 @@
+import { JwtVerifyServiceInterface } from '../interfaces/jwt-verify-service.interface';
+import { JwtVerifyTokenCallback } from '../jwt.types';
+
+export const createVerifyAccessTokenCallback = (
+  verifyTokenService: JwtVerifyServiceInterface,
+): JwtVerifyTokenCallback => {
+  return (
+    token: string,
+    done: (error?: Error, decodedToken?: unknown) => void,
+  ): void => {
+    verifyTokenService
+      .accessToken(token)
+      .then((decodedToken: unknown) => done(undefined, decodedToken))
+      .catch((error) => done(error));
+  };
+};
diff --git a/packages/nestjs-jwt/src/utils/create-verify-refresh-token-callback.util.ts b/packages/nestjs-jwt/src/utils/create-verify-refresh-token-callback.util.ts
new file mode 100644
index 000000000..8d0381d71
--- /dev/null
+++ b/packages/nestjs-jwt/src/utils/create-verify-refresh-token-callback.util.ts
@@ -0,0 +1,16 @@
+import { JwtVerifyServiceInterface } from '../interfaces/jwt-verify-service.interface';
+import { JwtVerifyTokenCallback } from '../jwt.types';
+
+export const createVerifyRefreshTokenCallback = (
+  verifyTokenService: JwtVerifyServiceInterface,
+): JwtVerifyTokenCallback => {
+  return (
+    token: string,
+    done: (error?: Error, decodedToken?: unknown) => void,
+  ): void => {
+    verifyTokenService
+      .refreshToken(token)
+      .then((decodedToken: unknown) => done(undefined, decodedToken))
+      .catch((error) => done(error));
+  };
+};