diff --git a/config/default.ts b/config/default.ts
index a41482a..9888df4 100644
--- a/config/default.ts
+++ b/config/default.ts
@@ -25,7 +25,8 @@ export default {
     session: {
         secret: "very_secret_not_known",
         cookie: {
-            secure: false
+            secure: false,
+            maxAge: 30 * 24 * 3600 * 1000, // 30 days
         }
     },
     mail: {
diff --git a/src/components/SessionComponent.ts b/src/components/SessionComponent.ts
index c1993dd..d06e975 100644
--- a/src/components/SessionComponent.ts
+++ b/src/components/SessionComponent.ts
@@ -22,6 +22,7 @@ export default class SessionComponent extends ApplicationComponent<void> {
             cookie: {
                 httpOnly: true,
                 secure: config.get('session.cookie.secure'),
+                maxAge: config.get('session.cookie.maxAge'),
             },
             rolling: true,
         }));