diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index bcd1f73..e287920 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -5,7 +5,7 @@ on:
 
 jobs:
   test-linux:
-    runs-on: Ubuntu-20.04
+    runs-on: ubuntu-16.04
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -30,7 +30,7 @@ jobs:
             ctest --output-on-failure
   upload-linux:
     needs: test-linux
-    runs-on: Ubuntu-20.04
+    runs-on: ubuntu-16.04
     strategy:
       matrix:
         python-version: ['3.6', '3.7', '3.8', '3.9']
diff --git a/setup.py b/setup.py
index 381e7c8..dc6a66c 100644
--- a/setup.py
+++ b/setup.py
@@ -59,7 +59,7 @@ def build_extension(self, ext):
 
 setup(
     name='libasd',
-    version='1.5.2',
+    version='1.5.3',
     author='Toru Niina',
     author_email='niina.toru.68u@gmail.com',
     url='https://github.com/ToruNiina/libasd',