diff --git a/functions/src/update-recommendations.ts b/functions/src/update-recommendations.ts
index e7fd9a2a..07abc257 100644
--- a/functions/src/update-recommendations.ts
+++ b/functions/src/update-recommendations.ts
@@ -24,10 +24,12 @@ export const updateRecommendations = functions.pubsub
       userBatches.push(users.slice(i, i + batchSize))
     }
 
-    for (const batch of userBatches) {
-      await new Promise((resolve) => setTimeout(resolve, 100))
-      callCloudFunction('updateRecommendationsBatch', { users: batch })
-    }
+    await Promise.all(
+      userBatches.map(async (batch, i) => {
+        await new Promise((resolve) => setTimeout(resolve, 100 * i))
+        await callCloudFunction('updateRecommendationsBatch', { users: batch })
+      })
+    )
   })
 
 export const updateRecommendationsBatch = functions.https.onCall(
diff --git a/functions/src/update-user-feed.ts b/functions/src/update-user-feed.ts
index 57a15bb6..cae77ee4 100644
--- a/functions/src/update-user-feed.ts
+++ b/functions/src/update-user-feed.ts
@@ -28,10 +28,12 @@ export const updateFeed = functions.pubsub
     const contracts = await getFeedContracts()
     const users = await getValues<User>(firestore.collection('users'))
 
-    for (const user of users) {
-      await new Promise((resolve) => setTimeout(resolve, 10))
-      callCloudFunction('updateUserFeed', { user, contracts })
-    }
+    await Promise.all(
+      users.map(async (user, i) => {
+        await new Promise((resolve) => setTimeout(resolve, 10 * i))
+        await callCloudFunction('updateUserFeed', { user, contracts })
+      })
+    )
   })
 
 export const updateUserFeed = functions.https.onCall(