diff --git a/packages/oidc-mock-provider/bin/oidc-mock-provider.js b/packages/oidc-mock-provider/bin/oidc-mock-provider.js
index d61f3436..11e7715b 100755
--- a/packages/oidc-mock-provider/bin/oidc-mock-provider.js
+++ b/packages/oidc-mock-provider/bin/oidc-mock-provider.js
@@ -6,6 +6,7 @@ const { OIDCMockProvider } = require('..');
 
 const DEFAULT_PORT = 28200;
 const DEFAULT_HOST = 'localhost';
+const DEFAULT_BIND_IP_ALL = false;
 
 const argv = require('yargs')
   .option('port', {
@@ -18,6 +19,10 @@ const argv = require('yargs')
     type: 'string',
     desc: 'Hostname for the server to listen upon. Defaults to localhost.',
   })
+  .option('bind_ip_all', {
+    type: 'boolean',
+    desc: 'Bind to all IPv4 and IPv6 addresses',
+  })
   .example(
     '$0 -p 28200',
     'Start the OIDC mock identity provider server on port 28200'
@@ -41,6 +46,7 @@ const DEFAULT_TOKEN_PAYLOAD = {
     },
     port: argv.port ?? DEFAULT_PORT,
     hostname: argv.host ?? DEFAULT_HOST,
+    bindIpAll: argv.bind_ip_all ?? DEFAULT_BIND_IP_ALL,
   };
   const mockIdentityProvider = await OIDCMockProvider.create(
     oidcMockProviderConfig
diff --git a/packages/oidc-mock-provider/src/index.ts b/packages/oidc-mock-provider/src/index.ts
index 77007520..accffd1a 100644
--- a/packages/oidc-mock-provider/src/index.ts
+++ b/packages/oidc-mock-provider/src/index.ts
@@ -60,6 +60,11 @@ export interface OIDCMockProviderConfig {
    */
   hostname?: string;
 
+  /**
+   * Optional bind to all IPv4 and IPv6 addresses.
+   */
+  bindIpAll?: boolean;
+
   /**
    * Optional additional fields to be returned when the OIDC configuration is accessed.
    */
@@ -102,7 +107,10 @@ export class OIDCMockProvider {
   }
 
   private async init(): Promise<this> {
-    this.httpServer.listen(this.config.port ?? 0, this.config.hostname);
+    this.httpServer.listen(
+      this.config.port ?? 0,
+      this.config.bindIpAll ? '::' : this.config.hostname
+    );
     await once(this.httpServer, 'listening');
     const { port } = this.httpServer.address() as AddressInfo;
     this.issuer = `${