diff --git a/.github/workflows/typedoc-ci.yml b/.github/workflows/typedoc-ci.yml
index 16bc998..3797ce7 100644
--- a/.github/workflows/typedoc-ci.yml
+++ b/.github/workflows/typedoc-ci.yml
@@ -11,7 +11,7 @@ jobs:
       matrix:
         typedoc-version:
           - latest
-          - '~0.21.0'
+          - '~0.22.0'
     steps:
       - uses: actions/checkout@v1
       - name: Use Node.js
@@ -38,4 +38,4 @@ jobs:
           yarn link typedoc-plugin-mermaid
           yarn run typedoc --plugin typedoc-plugin-mermaid \
             --out docs \
-            src
+            src/hello-world.ts