diff --git a/setup.py b/setup.py
index c057b78c4..a7811c77f 100644
--- a/setup.py
+++ b/setup.py
@@ -83,7 +83,7 @@
 from datetime import date
 
 # stable version
-VERSION = '4.2.0'
+VERSION = '4.3.0'
 # get the git hash
 # git_hash = subprocess.check_output(["git", "describe"]).strip().split('-')[-1][1:]
 # comment the next line to build wheel for stable version
diff --git a/tool/conda/singa/meta.yaml b/tool/conda/singa/meta.yaml
index a3428a598..e8e2fcc60 100644
--- a/tool/conda/singa/meta.yaml
+++ b/tool/conda/singa/meta.yaml
@@ -20,7 +20,7 @@
 # https://docs.conda.io/projects/conda-build/en/latest/resources/define-metadata.html#templating-with-jinja
 # {% set data = load_setup_py_data(setup_file='../../../python/singa/setup.py', from_recipe_dir=True) %}
 
-{% set version = "4.2.0" %}
+{% set version = "4.3.0" %}
 
 package:
   name: singa