diff --git a/serverless/lib/CaseProcessor.ts b/serverless/lib/CaseProcessor.ts
index c16c556..96f1da6 100644
--- a/serverless/lib/CaseProcessor.ts
+++ b/serverless/lib/CaseProcessor.ts
@@ -10,6 +10,10 @@ import axios from 'axios';
 import { wrapper } from 'axios-cookiejar-support';
 import * as cheerio from 'cheerio';
 
+// Version date used to determine whether a cached 'complete' CaseSummary is
+// up-to-date or should be re-fetched to align with current schema/logic.
+export const CASE_SUMMARY_VERSION_DATE = new Date('2025-10-06T00:00:00Z');
+
 // Type for raw portal JSON data - using `any` is acceptable here since we're dealing with
 // dynamic external API responses that we don't control
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
@@ -254,13 +258,23 @@ async function processCaseDataRecord(
     receiptHandle: string
 ): Promise<FetchStatus> {
     try {
-        // Check for existing data and skip if already complete
+        // Check for existing data and skip if already complete with current schema version.
         const zipCase = await StorageClient.getCase(caseNumber);
         if (zipCase && zipCase.fetchStatus.status === 'complete') {
-            // Always use the cached data for complete cases
-            await QueueClient.deleteMessage(receiptHandle, 'data');
-            console.log(`Case ${caseNumber} already complete; using cached data and deleted queue item`);
-            return zipCase.fetchStatus;
+            const lastUpdated = zipCase.lastUpdated ? new Date(zipCase.lastUpdated) : new Date(0);
+
+            if (lastUpdated.getTime() >= CASE_SUMMARY_VERSION_DATE.getTime()) {
+                // Cached summary is new enough for current version - use it
+                await QueueClient.deleteMessage(receiptHandle, 'data');
+                console.log(
+                    `Case ${caseNumber} already complete and up-to-date (lastUpdated=${zipCase.lastUpdated}); using cached data`
+                );
+                return zipCase.fetchStatus;
+            }
+
+            console.log(
+                `Case ${caseNumber} lastUpdated (${zipCase.lastUpdated}) is older than version date ${CASE_SUMMARY_VERSION_DATE.toISOString()}; re-fetching case summary`
+            );
         }
 
         // Fetch case summary
diff --git a/serverless/lib/CaseSearchProcessor.ts b/serverless/lib/CaseSearchProcessor.ts
index 713f112..675bc35 100644
--- a/serverless/lib/CaseSearchProcessor.ts
+++ b/serverless/lib/CaseSearchProcessor.ts
@@ -9,6 +9,7 @@ import axios from 'axios';
 import { wrapper } from 'axios-cookiejar-support';
 import * as cheerio from 'cheerio';
 import UserAgentClient from './UserAgentClient';
+import { CASE_SUMMARY_VERSION_DATE } from './CaseProcessor';
 
 // Process API case search requests
 export async function processCaseSearchRequest(req: CaseSearchRequest): Promise<CaseSearchResponse> {
@@ -54,27 +55,30 @@ export async function processCaseSearchRequest(req: CaseSearchRequest): Promise<
 
                 switch (status) {
                     case 'complete':
-                        if (caseSummary) {
-                            // Truly complete - has both ID and summary
-                            console.log(`Case ${caseNumber} is complete with summary, preserving`);
+                        const lastUpdated = results[caseNumber].zipCase.lastUpdated;
+                        if (caseSummary && lastUpdated && new Date(lastUpdated) >= CASE_SUMMARY_VERSION_DATE) {
+                            // Truly complete - has both ID and an up-to-date summary
+                            console.log(`Case ${caseNumber} is complete with up-to-date summary schema, preserving`);
                             continue;
                         } else if (caseId) {
-                            // Has ID but missing summary - treat as 'found' and queue for data retrieval
+                            // Has ID but missing summary or summary schema is outdated - treat as 'found' and queue for data retrieval
                             console.log(
-                                `Case ${caseNumber} has 'complete' status but missing summary, treating as 'found' and queueing for data retrieval`
+                                `Case ${caseNumber} has 'complete' status but ${caseSummary ? 'summary is outdated' : 'missing summary'}; treating as 'found' and queueing for data retrieval`
                             );
 
-                            // Update status to 'found' since we need to rebuild the summary
+                            const nowString = new Date().toISOString();
+
+                            // Update status to 'found', since we need to rebuild the summary
                             await StorageClient.saveCase({
                                 caseNumber,
                                 caseId,
                                 fetchStatus: { status: 'found' },
-                                lastUpdated: new Date().toISOString(),
+                                lastUpdated: nowString,
                             });
 
                             // Also update the results object that will be returned to frontend
                             results[caseNumber].zipCase.fetchStatus = { status: 'found' };
-                            results[caseNumber].zipCase.lastUpdated = new Date().toISOString();
+                            results[caseNumber].zipCase.lastUpdated = nowString;
 
                             try {
                                 await QueueClient.queueCaseForDataRetrieval(caseNumber, caseId, req.userId);