diff --git a/build/env.yml b/build/env.yml
index 642d25f12..574d14453 100644
--- a/build/env.yml
+++ b/build/env.yml
@@ -11,7 +11,7 @@ dependencies:
   - recommonmark==0.4.0
   - https://github.com/mli/notedown/tarball/master
   - mxnet-cu100==1.5.0
-  - d2lzh==0.8.12
+  - d2lzh==1.0.0
   - jieba==0.39
   - beautifulsoup4==4.7.1
   - awscli
diff --git a/d2lzh/__init__.py b/d2lzh/__init__.py
index 48ea9c0af..5ca298efe 100644
--- a/d2lzh/__init__.py
+++ b/d2lzh/__init__.py
@@ -1,3 +1,3 @@
 from .utils import *
 
-__version__ = '0.8.12'
+__version__ = '1.0.0'
diff --git a/environment.yml b/environment.yml
index 8c7904cb1..ff2ee38a8 100644
--- a/environment.yml
+++ b/environment.yml
@@ -3,7 +3,7 @@ dependencies:
 - python=3.6
 - pip:
   - mxnet==1.5.0
-  - d2lzh==0.8.12
+  - d2lzh==1.0.0
   - jupyter==1.0.0
   - matplotlib==2.2.2
   - pandas==0.23.4