diff --git a/controllers/rateController.js b/controllers/rateController.js
index 627ef95..d444fe6 100644
--- a/controllers/rateController.js
+++ b/controllers/rateController.js
@@ -28,9 +28,16 @@ exports.getLatestRates = async (req, res) => {
                 stale: true // Marked as stale because it wasn't in Redis
             };
 
-            // Re-populate Redis so the next request is fast
-            await redisClient.set(CACHE_KEY, JSON.stringify(fallbackPayload));
-
+            try {
+                // Re-populate Redis so the next request is fast
+                await redisClient.set(
+                    CACHE_KEY, JSON.stringify(fallbackPayload),
+                    { EX: 3600 }
+                );
+            } catch (redisError) {
+                redisError.message = 'Redis cache update failed. Using stale data.';
+                logger.error(redisError.message);
+            }
             return res.status(200).json(fallbackPayload);
         }