diff --git a/node_modules/@actions/cache/lib/cache.d.ts b/node_modules/@actions/cache/lib/cache.d.ts
index 16b20f7..aea77ba 100644
--- a/node_modules/@actions/cache/lib/cache.d.ts
+++ b/node_modules/@actions/cache/lib/cache.d.ts
@@ -20,7 +20,7 @@ export declare function isFeatureAvailable(): boolean;
  * @param downloadOptions cache download options
  * @returns string returns the key for the cache hit, otherwise returns undefined
  */
-export declare function restoreCache(paths: string[], primaryKey: string, restoreKeys?: string[], options?: DownloadOptions): Promise<string | undefined>;
+export declare function restoreCache(paths: string[], primaryKey: string, restoreKeys?: string[], options?: DownloadOptions): Promise<CacheEntry | undefined>;
 /**
  * Saves a list of files with the specified key
  *
@@ -29,4 +29,12 @@ export declare function restoreCache(paths: string[], primaryKey: string, restor
  * @param options cache upload options
  * @returns number returns cacheId if the cache was saved successfully and throws an error if save fails
  */
-export declare function saveCache(paths: string[], key: string, options?: UploadOptions): Promise<number>;
+export declare function saveCache(paths: string[], key: string, options?: UploadOptions): Promise<CacheEntry>;
+
+// PATCHED: Add `CacheEntry` as return type for save/restore functions
+// This allows us to track and report on cache entry sizes.
+export declare class CacheEntry {
+    key: string;
+    size?: number;
+    constructor(key: string, size?: number);
+}
diff --git a/node_modules/@actions/cache/lib/cache.js b/node_modules/@actions/cache/lib/cache.js
index 4dc5e88..2141dd5 100644
--- a/node_modules/@actions/cache/lib/cache.js
+++ b/node_modules/@actions/cache/lib/cache.js
@@ -95,16 +95,18 @@ function restoreCache(paths, primaryKey, restoreKeys, options) {
             }
             archivePath = path.join(yield utils.createTempDirectory(), utils.getCacheFileName(compressionMethod));
             core.debug(`Archive Path: ${archivePath}`);
+            const restoredEntry = new CacheEntry(cacheEntry.cacheKey);
             // Download the cache from the cache entry
             yield cacheHttpClient.downloadCache(cacheEntry.archiveLocation, archivePath, options);
             if (core.isDebug()) {
                 yield tar_1.listTar(archivePath, compressionMethod);
             }
             const archiveFileSize = utils.getArchiveFileSizeInBytes(archivePath);
+            restoredEntry.size = archiveFileSize;
             core.info(`Cache Size: ~${Math.round(archiveFileSize / (1024 * 1024))} MB (${archiveFileSize} B)`);
             yield tar_1.extractTar(archivePath, compressionMethod);
             core.info('Cache restored successfully');
-            return cacheEntry.cacheKey;
+            return restoredEntry;
         }
         catch (error) {
             const typedError = error;
@@ -153,6 +155,7 @@ function saveCache(paths, key, options) {
         const archiveFolder = yield utils.createTempDirectory();
         const archivePath = path.join(archiveFolder, utils.getCacheFileName(compressionMethod));
         core.debug(`Archive Path: ${archivePath}`);
+        const savedEntry = new CacheEntry(key);
         try {
             yield tar_1.createTar(archiveFolder, cachePaths, compressionMethod);
             if (core.isDebug()) {
@@ -160,6 +163,7 @@ function saveCache(paths, key, options) {
             }
             const fileSizeLimit = 10 * 1024 * 1024 * 1024; // 10GB per repo limit
             const archiveFileSize = utils.getArchiveFileSizeInBytes(archivePath);
+            savedEntry.size = archiveFileSize;
             core.debug(`File Size: ${archiveFileSize}`);
             // For GHES, this check will take place in ReserveCache API with enterprise file size limit
             if (archiveFileSize > fileSizeLimit && !utils.isGhes()) {
@@ -203,8 +207,15 @@ function saveCache(paths, key, options) {
                 core.debug(`Failed to delete archive: ${error}`);
             }
         }
-        return cacheId;
+        return savedEntry;
     });
 }
 exports.saveCache = saveCache;
+class CacheEntry {
+    constructor(key, size) {
+        this.key = key;
+        this.size = size;
+    }
+}
+exports.CacheEntry = CacheEntry;
 //# sourceMappingURL=cache.js.map
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