diff --git a/packages/core/src/evaluator/configRunner.ts b/packages/core/src/evaluator/configRunner.ts
index 3de27ad..d0e58a9 100644
--- a/packages/core/src/evaluator/configRunner.ts
+++ b/packages/core/src/evaluator/configRunner.ts
@@ -49,9 +49,11 @@ export class ConfigRunner {
       baseUrl,
       apiToken,
       uuid: configId,
-      regFormSubmissionChunks: facilityProcessingChunks
+      regFormSubmissionChunks: facilityProcessingChunks,
+      editSubmissionChunks: facilityEditChunks
     } = config;
     const regFormSubmissionChunks = facilityProcessingChunks ?? 1000;
+    const editSubmissionsChunks = facilityEditChunks ?? 100;
 
     const startTime = Date.now();
     const createMetric = createMetricFactory(startTime, configId);
@@ -127,11 +129,10 @@ export class ConfigRunner {
         );
 
         let cursor = 0;
-        const postChunks = 100;
         while (cursor <= updateRegFormSubmissionsPromises.length) {
-          const end = cursor + postChunks;
+          const end = cursor + editSubmissionsChunks;
           const chunksToSend = updateRegFormSubmissionsPromises.slice(cursor, end);
-          cursor = cursor + postChunks;
+          cursor = cursor + editSubmissionsChunks;
           await Promise.allSettled(chunksToSend.map((x) => x()));
         }
       }
diff --git a/packages/core/src/helpers/types.ts b/packages/core/src/helpers/types.ts
index c789d29..8cde712 100644
--- a/packages/core/src/helpers/types.ts
+++ b/packages/core/src/helpers/types.ts
@@ -38,6 +38,8 @@ export interface Config {
   schedule: CronTabString;
   // how many registration form submissions to process at a time.
   regFormSubmissionChunks?: number;
+  // out of regFormSubmissionChunk how many should be posted/edited at a time
+  editSubmissionChunks?: number;
   // store metric; progress information regarding a running pipeline or the last run of an pipeline
   writeMetric: WriteMetric;
 }