diff --git a/build/env.yml b/build/env.yml
index 642d25f121f8bbd56a6981b50e7bcbeef6ccc5df..574d1445388370780499955c325b14bdacc76fa9 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 48ea9c0af25ecd87c240214aba949868f185df36..5ca298efef0dba37c7b8d155c0c69752fd49387e 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 8c7904cb103df060f2411deb8791f9a899c2700d..ff2ee38a8fa0edb74b8e377ae589b5a3d4b230e3 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