diff --git a/.circleci/config.yml b/.circleci/config.yml
index 1ef1580d6..22e67ad92 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -5,7 +5,7 @@ executors:
     docker:
       - image: quay.io/pypa/manylinux2010_x86_64
     environment:
-      ECELLVER: "2.0.0b3"
+      ECELLVER: "2.0.0"
       CMAKEVER: "3.13.3"
       GSLVER: "2.4"
       BOOSTVER: "1.68.0"
diff --git a/setup.py b/setup.py
index baacef725..43b0ad41d 100644
--- a/setup.py
+++ b/setup.py
@@ -92,7 +92,7 @@ def run(self):
 
 setup(
     name='ecell4_base',
-    version = '2.0.0b3',
+    version = '2.0.0',
     license = "the GNU General Public License v2",
     author = "Kazunari Kaizu",
     author_email = "kaizu@riken.jp",