diff --git a/README.md b/README.md
index c7e826a..4970fba 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ Koopa IR is the next generation of education-oriented intermediate representatio
 
 ```toml
 [dependencies]
-koopa = "0.0.3"
+koopa = "0.0.4"
 ```
 
 ## Koopa IR