diff --git a/src/constants.ts b/src/constants.ts
index 5c77e7d..c08e366 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -18,6 +18,7 @@ export const Constants = {
   API_DOCS_URL: `https://github.com/dangeredwolf/FixTweet/wiki/API-Home`,
   TWITTER_ROOT: 'https://twitter.com',
   TWITTER_API_ROOT: 'https://api.twitter.com',
+  GUEST_TOKEN_MAX_AGE: 300, /* 5 minutes */
   /* We used to use Bearer AAAAAAAAAAAAAAAAAAAAANRILgAAAAAAnNwIzUejRCOuH5E6I8xnZz4puTs%3D1Zv7ttfk8LF81IUq16cHjhLTvJu4FA33AGWWjCpTnA
   but accounts marked as 18+ wouldn't show up then */
   GUEST_BEARER_TOKEN: `Bearer AAAAAAAAAAAAAAAAAAAAAPYXBAAAAAAACLXUNDekMxqa8h%2F40K4moUkGsoc%3DTYfbDKbT3jJPCEVnMYqilB28NHfOPqkca3qaAxGfsyKCs0wRbw`,
diff --git a/src/fetch.ts b/src/fetch.ts
index ecd8385..dd197a6 100644
--- a/src/fetch.ts
+++ b/src/fetch.ts
@@ -19,7 +19,7 @@ export const fetchUsingGuest = async (
       headers: tokenHeaders,
       cf: {
         cacheEverything: true,
-        cacheTtl: 300
+        cacheTtl: Constants.GUEST_TOKEN_MAX_AGE
       },
       body: ''
     }
@@ -33,7 +33,7 @@ export const fetchUsingGuest = async (
       method: 'GET',
       cf: {
         cacheEverything: true,
-        cacheTtl: 300
+        cacheTtl: Constants.GUEST_TOKEN_MAX_AGE
       }
     }
   );
@@ -153,7 +153,7 @@ export const fetchUsingGuest = async (
       const cachingResponse = new Response(await activate.clone().text(), {
         headers: {
           ...tokenHeaders,
-          'cache-control': 'max-age=300'
+          'cache-control': `max-age=${Constants.GUEST_TOKEN_MAX_AGE}`
         }
       });
       console.log('Caching guest token');