diff --git a/README.md b/README.md
index bbb619f..e284f64 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,10 @@ There are pre-compiled executables for various platforms on the [repository](htt
 
 Distributed under the MIT License. See [LICENSE.md](https://git.milar.in/milarin/gocc/src/branch/main/LICENSE.md)
 
+## Demo
+
+[![asciicast](https://asciinema.org/a/zNs6qELnxFc14SVAVvqox1Hq4.svg)](https://asciinema.org/a/zNs6qELnxFc14SVAVvqox1Hq4)
+
 ## Usage
 
 ### Basic syntax