diff --git a/.github/workflows/docc.yaml b/.github/workflows/docc.yaml
index 2678aad..c5a070a 100644
--- a/.github/workflows/docc.yaml
+++ b/.github/workflows/docc.yaml
@@ -9,7 +9,7 @@ jobs:
   generate-docs:
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: generate-documentation
         # https://apple.github.io/swift-docc-plugin/documentation/swiftdoccplugin/generating-documentation-for-hosting-online/
         run: >
diff --git a/Package.resolved b/Package.resolved
index 3b6d58b..9ad5a83 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -6,7 +6,16 @@
         "repositoryURL": "https://github.com/apple/swift-docc-plugin",
         "state": {
           "branch": null,
-          "revision": "3303b164430d9a7055ba484c8ead67a52f7b74f6",
+          "revision": "26ac5758409154cc448d7ab82389c520fa8a8247",
+          "version": "1.3.0"
+        }
+      },
+      {
+        "package": "SymbolKit",
+        "repositoryURL": "https://github.com/apple/swift-docc-symbolkit",
+        "state": {
+          "branch": null,
+          "revision": "b45d1f2ed151d057b54504d653e0da5552844e34",
           "version": "1.0.0"
         }
       }