diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index e2f87a3..4b458d1 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -15,7 +15,7 @@ on:
   workflow_dispatch:
 
 env:
-  REF_NAME: ${{ github.ref_name }}
+  VERSION: ${{ github.ref_name }}
 
 jobs:
   test:
diff --git a/setup.py b/setup.py
index aa47655..dd67510 100755
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,7 @@
 from os.path import abspath, dirname, join
 
 # specify the version
-version = 'v1.0.3'
+version = 'v1.0.4'
 
 here = abspath(dirname(__file__))