diff --git a/packages/auth/src/app.ts b/packages/auth/src/app.ts
index a70d438e24..5d45deab10 100644
--- a/packages/auth/src/app.ts
+++ b/packages/auth/src/app.ts
@@ -344,7 +344,7 @@ export class App {
     koa.keys = [this.config.cookieKey]
 
     const redis = await this.container.use('redis')
-    const maxAgeMs = 60 * 1000
+    const maxAgeMs = this.config.interactionExpirySeconds * 1000
     koa.use(
       session(
         {