diff --git a/README.md b/README.md
index 4d6e24f..8fb93ad 100644
--- a/README.md
+++ b/README.md
@@ -64,5 +64,8 @@ Here we pass a variable called "myvalue" with the value 5
 ### Output
 ![output](https://raw.githubusercontent.com/Alwinator/graphviz-py/main/assets/output_variable.svg)
 
+## Security
+Please keep in mind that graphviz-py executes all Python code in the diagram. So make sure that your diagrams dies not include harmful code.
+
 ## Coming soon
 - Compartibility with asciidoctor-diagram