diff --git a/packages/text-to-speech/src/index.ts b/packages/text-to-speech/src/index.ts
index 821611ffb..992111ef7 100644
--- a/packages/text-to-speech/src/index.ts
+++ b/packages/text-to-speech/src/index.ts
@@ -347,12 +347,12 @@ export const textToSpeechStreamingHandler = Sentry.GCPFunction.wrapHttpFunction(
       }
 
       const audioDataString = audioData.toString('hex')
-      // save audio data to cache for 24 hours for mainly the newsletters
+      // save audio data to cache for 72 hours for mainly the newsletters
       await redisClient.set(
         cacheKey,
         JSON.stringify({ audioDataString, speechMarks }),
         {
-          EX: 3600 * 24, // in seconds
+          EX: 3600 * 72, // in seconds
           NX: true,
         }
       )