diff --git a/.github/workflows/readme-test.yml b/.github/workflows/readme-test.yml
index c4d363e..d134a1c 100644
--- a/.github/workflows/readme-test.yml
+++ b/.github/workflows/readme-test.yml
@@ -24,7 +24,7 @@ jobs:
         run: pytest test_src
 
       - name: embedding readme
-        uses: tokusumi/markdown-embed-code@v1.0.0
+        uses: tomasz-kapela/readme-code-testing@main
         with:
           markdown: "README.md"
           token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/README.md b/README.md
index e524656..1c7f6da 100644
--- a/README.md
+++ b/README.md
@@ -15,10 +15,8 @@ This action could inspect your code, if you add a file path in code block as "\`
 The following code block has a file path `src/helloworld.py`:
 
 ```python:src/helloworld.py
-def hello():
-    return "v1.0.0 world"
-
 ```
+ 
 
 See [src/helloworld.py](./src/helloworld.py) as:
 
@@ -93,3 +91,5 @@ echo "hello"
 ## Formatting
 
 Notice that this action uses markdown parser/formatter, so, if you don't update any code, readme may be updated if formatter works.
+
+test
diff --git a/src/helloworld.py b/src/helloworld.py
index 822558c..037f493 100644
--- a/src/helloworld.py
+++ b/src/helloworld.py
@@ -1,2 +1,7 @@
 def hello():
     return "v1.0.0 world"
+
+def test():
+    a=2
+    return 1.0
+