diff --git a/README.md b/README.md
index e77cd395..ac548082 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ You can install it via [bioconda](https://bioconda.github.io/):
 
 ```
 # It is recommended to install the latest version
-➤ mamba install -c conda-forge -c bioconda metapi=2.3.0
+➤ mamba install -c conda-forge -c bioconda metapi=2.4.0
 ```
 
 ## Run
diff --git a/metapi/__about__.py b/metapi/__about__.py
index ca7bb269..fbeaa7f3 100644
--- a/metapi/__about__.py
+++ b/metapi/__about__.py
@@ -1,4 +1,4 @@
 #!/usr/bin/env python3
 
-__version__ = '2.3.0'
+__version__ = '2.4.0'
 __author__ = "Jie Zhu, Fangming Yang"