diff --git a/dist/index.js b/dist/index.js
index 4b1191c..a82f5f8 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -66390,8 +66390,8 @@ async function publishOCIArtifact(token, registry, repository, semver, zipFile,
                 return uploadLayer(layer, tarFile, registry, checkBlobEndpoint, uploadBlobEndpoint, b64Token);
             case 'application/vnd.github.actions.package.layer.v1.zip':
                 return uploadLayer(layer, zipFile, registry, checkBlobEndpoint, uploadBlobEndpoint, b64Token);
-            case 'application/vnd.github.actions.package.config.v1+json':
-                return uploadLayer(layer, { path: '', size: 0, sha256: layer.digest }, registry, checkBlobEndpoint, uploadBlobEndpoint, b64Token);
+            case 'application/vnd.oci.empty.v1+json':
+                return uploadLayer(layer, { path: '', size: 2, sha256: layer.digest }, registry, checkBlobEndpoint, uploadBlobEndpoint, b64Token);
             default:
                 throw new Error(`Unknown media type ${layer.mediaType}`);
         }
@@ -66439,8 +66439,8 @@ async function uploadLayer(layer, file, registryURL, checkBlobEndpoint, uploadBl
     const uploadBlobUrl = new URL(pathname, registryURL).toString();
     // TODO: must we handle the empty config layer? Maybe we can just skip calling this at all
     let data;
-    if (file.size === 0) {
-        data = Buffer.alloc(0);
+    if (layer.mediaType === 'application/vnd.oci.empty.v1+json') {
+        data = Buffer.from('{}');
     }
     else {
         data = fsHelper.readFileContents(file.path);
@@ -66530,12 +66530,9 @@ function createActionPackageManifest(tarFile, zipFile, repository, repoId, owner
 exports.createActionPackageManifest = createActionPackageManifest;
 function createConfigLayer() {
     const configLayer = {
-        mediaType: 'application/vnd.github.actions.package.config.v1+json',
-        size: 0,
-        digest: 'sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855',
-        annotations: {
-            'org.opencontainers.image.title': 'config.json'
-        }
+        mediaType: 'application/vnd.oci.empty.v1+json',
+        size: 2,
+        digest: 'sha256:44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a'
     };
     return configLayer;
 }
diff --git a/package-lock.json b/package-lock.json
index 3ab3c4a..64fca52 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
         "@actions/core": "^1.10.1",
         "@actions/exec": "^1.1.1",
         "@actions/github": "^6.0.0",
-        "@immutable-actions/toolkit": "^0.0.3",
+        "@immutable-actions/toolkit": "^0.0.7",
         "@types/fs-extra": "^11.0.4",
         "archiver": "^6.0.1",
         "fs-extra": "^11.2.0",
@@ -892,9 +892,9 @@
       "dev": true
     },
     "node_modules/@immutable-actions/toolkit": {
-      "version": "0.0.3",
-      "resolved": "https://npm.pkg.github.com/download/@immutable-actions/toolkit/0.0.3/44fea07f66485caeca02ccde09c83cfb1b306c3f",
-      "integrity": "sha512-/lejtfrp4lraAoXGi3VrmE+1bD/evG8h2pm0plRvpyK5PisDxdrkrzGGcIKAgbNJVGgoKmK9dbmgUllTCS4Ltw==",
+      "version": "0.0.7",
+      "resolved": "https://npm.pkg.github.com/download/@immutable-actions/toolkit/0.0.7/3f93d28484aedf0b46d76f059553f82a30b49bdb",
+      "integrity": "sha512-4Eaj9ytgv674wUHeVAQVty+NF/8X7MxeVukZ9G7EggDR6cTmeJG3SHQsegjDtD5Tx5b4yqaheSAgVJlj9YgHtQ==",
       "license": "MIT",
       "dependencies": {
         "@actions/core": "^1.10.1",
diff --git a/package.json b/package.json
index 050b556..682b55e 100644
--- a/package.json
+++ b/package.json
@@ -71,7 +71,7 @@
     "@actions/core": "^1.10.1",
     "@actions/exec": "^1.1.1",
     "@actions/github": "^6.0.0",
-    "@immutable-actions/toolkit": "^0.0.3",
+    "@immutable-actions/toolkit": "^0.0.7",
     "@types/fs-extra": "^11.0.4",
     "archiver": "^6.0.1",
     "fs-extra": "^11.2.0",