diff --git a/.gitignore b/.gitignore
index 000091a..1f47ff4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,99 @@ data/
 *.pyc
 _*
 
+# Created by .ignore support plugin (hsz.mobi)
+### Python template
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+env/
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*,cover
+.hypothesis/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# IPython Notebook
+.ipynb_checkpoints
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# dotenv
+.env
+
+# virtualenv
+venv/
+ENV/
+envbots/
+
+# Spyder project settings
+.spyderproject
+
+# Rope project settings
+.ropeproject
+
+#IDE
+.idea
+__pycache__
\ No newline at end of file
diff --git a/README.md b/README.md
index 81a68ec..1ce6015 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,8 @@ This project has two purposes. First of all, I'd like to share some of my experi
 * Go get various English word vectors [here](https://github.com/3Top/word2vec-api) if needed.
 
 ## Work Flow
-* STEP 1. Download the [wikipedia database backup dumps](https://dumps.wikimedia.org/backup-index.html) of the language you want.
+* STEP 1-1. Download the [wikipedia database backup dumps](https://dumps.wikimedia.org/backup-index.html) of the language you want.
+* STEP 1-2. Install requirements packages
 * STEP 2. Extract running texts to `data/` folder.
 * STEP 3. Run `build_corpus.py`.
 * STEP 4-1. Run `make_wordvector.sh` to get Word2Vec word vectors.
diff --git a/build_corpus.py b/build_corpus.py
index 0bf03e1..0033f91 100644
--- a/build_corpus.py
+++ b/build_corpus.py
@@ -1,5 +1,4 @@
 # coding: utf-8
-#!/usr/bin/python2
 import argparse
 import codecs
 import lxml.etree as ET
@@ -10,26 +9,29 @@
 parser = argparse.ArgumentParser()
 parser.add_argument('--lcode', help='ISO 639-1 code of target language. See `lcodes.txt`.')
 parser.add_argument('--max_corpus_size', type=int, default=1000000000, help='the maximum size of the corpus. Feel free to adjust it according to your computing power.')
+parser.add_argument('--wiki_dump_version', help='version of wikimedia dumps')
+
 args = parser.parse_args()
 
 lcode = args.lcode
+wiki_dump_version = args.wiki_dump_version
 if lcode == 'ko':
     from konlpy.tag import Kkma # pip install konlpy. See http://konlpy.org/en/v0.4.4/ for further information.
     kkma = Kkma()
-    print "kkma succesfuly loaded!"
+    print("kkma succesfuly loaded!")
 elif lcode == 'ja':
     import MeCab # See https://pypi.python.org/pypi/mecab-python/0.996
     mecab = MeCab.Tagger("-Owakati")
-    print "mecab succesfuly loaded!"
+    print("mecab succesfuly loaded!")
 elif lcode == 'zh':
     import jieba # See https://pypi.python.org/pypi/jieba/
-    print "jieba succesfuly loaded!"
+    print("jieba succesfuly loaded!")
 elif lcode == 'vi':
     from pyvi.pyvi import ViTokenizer # See https://pypi.python.org/pypi/pyvi
-    print "pyvi succesfuly loaded!"
+    print("pyvi succesfuly loaded!")
 elif lcode == 'th':  
     import pythai # See https://pypi.python.org/pypi/pythai  
-    print "pythai succesfuly loaded!"
+    print("pythai succesfuly loaded!")
 # elif lcode == 'ar':
 #     os.environ['CLASSPATH'] = "../stanford-segmenter-2015-12-09"
 #     from nltk.tokenize.stanford_segmenter import StanfordSegmenter
@@ -37,10 +39,10 @@
 #                                path_to_sihan_corpora_dict="../stanford-segmenter-2015-12-09/data", 
 #                                path_to_model="../stanford-segmenter-2015-12-09/data/pku.gz", 
 #                                path_to_dict="../stanford-segmenter-2015-12-09/data/dict-chris6.ser.gz")
-#     print "StanfordSegmenter succesfuly loaded!"
+#     print ("StanfordSegmenter succesfuly loaded!")
     
 max_corpus_size = args.max_corpus_size
-fname = "{}wiki-20161201-pages-articles-multistream.xml".format(lcode)    
+fname = "{}wiki-{}-pages-articles-multistream.xml".format(lcode, wiki_dump_version)
 
 def clean_text(text):
     global lcode
@@ -157,7 +159,7 @@ def build_corpus():
                 continue # it's okay as we have a pretty big corpus!
             elem.clear() # We need to save memory!
             if i % 1000 == 0: 
-                print i,
+                print(i),
                 fsize = os.path.getsize("data/{}.txt".format(lcode))
                 if fsize > max_corpus_size:
                     break
@@ -166,4 +168,4 @@ def build_corpus():
 if __name__ == "__main__":
     build_corpus()
     
-    print "Done"
+    print("Done")
diff --git a/make_wordvectors.py b/make_wordvectors.py
index 31c7cb6..6f41fa1 100644
--- a/make_wordvectors.py
+++ b/make_wordvectors.py
@@ -1,10 +1,9 @@
 # coding: utf-8
-#!/usr/bin/python2
 import nltk
-import os
 import codecs
 import argparse
 import numpy as np
+import sys
 
 # arguments setting 
 parser = argparse.ArgumentParser()
@@ -40,9 +39,13 @@ def get_min_count(sents):
 def make_wordvectors():
     global lcode
     import gensim # In case you have difficulties installing gensim, you need to consider installing conda.
-    import cPickle as pickle
+
+    if sys.version_info[0] >= 3:
+        import pickle
+    else:
+        import cPickle as pickle
      
-    print "Making sentences as list..."
+    print("Making sentences as list...")
     sents = []
     with codecs.open('data/{}.txt'.format(lcode), 'r', 'utf-8') as fin:
         while 1:
@@ -52,7 +55,7 @@ def make_wordvectors():
             words = line.split()
             sents.append(words)
 
-    print "Making word vectors..."   
+    print("Making word vectors...")
     min_count = get_min_count(sents)
     model = gensim.models.Word2Vec(sents, size=vector_size, min_count=min_count,
                                    negative=num_negative, 
@@ -62,11 +65,11 @@ def make_wordvectors():
     
     # Save to file
     with codecs.open('data/{}.tsv'.format(lcode), 'w', 'utf-8') as fout:
-        for i, word in enumerate(model.index2word):
+        for i, word in enumerate(model.wv.index2word):
             fout.write(u"{}\t{}\t{}\n".format(str(i), word.encode('utf8').decode('utf8'),
                                               np.array_str(model[word])
                                               ))
 if __name__ == "__main__":
     make_wordvectors()
     
-    print "Done"
+    print("Done")
diff --git a/make_wordvectors.sh b/make_wordvectors.sh
old mode 100644
new mode 100755
index 56b1ebd..301b9f3
--- a/make_wordvectors.sh
+++ b/make_wordvectors.sh
@@ -2,26 +2,31 @@
 
 #### Set your hyper-parameters here ####
 ############## START ###################
-lcode="xx" # ISO 639-1 code of target language. See `lcodes.txt`.
-max_corpus_size=1000000000 # the maximum size of the corpus. Feel free to adjust it according to your computing power.
+lcode="id" # ISO 639-1 code of target language. See `lcodes.txt`.
+wiki_dump_version="20180120" # version of wikimedia dumps
+max_corpus_size=10000000000 # the maximum size of the corpus. Feel free to adjust it according to your computing power.
 vector_size=300 # the size of a word vector
 window_size=5 # the maximum distance between the current and predicted word within a sentence.
 vocab_size=20000 # the maximum vocabulary size
 num_negative=5 # the int for negative specifies how many “noise words” should be drawn
 ############## END #####################
 
-echo "step 0. Make `data` directory and move there.`
+echo "step 0. Install packages according to requirements.txt"
+pip install -r requirements.txt
+
+echo "step 0. Make `data` directory and move there."
 mkdir data; cd data
 
 echo "step 1. Download the stored wikipedia file to your disk."
-wget "https://dumps.wikimedia.org/${lcode}wiki/20161201/${lcode}wiki-20161201-pages-articles-multistream.xml.bz2"
+rm -rf ${lcode}wiki-${wiki_dump_version}-pages-articles-multistream*
+wget "https://dumps.wikimedia.org/${lcode}wiki/${wiki_dump_version}/${lcode}wiki-${wiki_dump_version}-pages-articles-multistream.xml.bz2"
 
 echo "step 2. Extract the bz2 file."
-bzip2 -d "${lcode}wiki-20161201-pages-articles-multistream.xml.bz2"
+bzip2 -d "${lcode}wiki-${wiki_dump_version}-pages-articles-multistream.xml.bz2"
 
 cd ..
 echo "step 3. Build Corpus."
-python build_corpus.py --lcode=${lcode} --max_corpus_size=${max_corpus_size}
+python build_corpus.py --lcode=${lcode} --max_corpus_size=${max_corpus_size} --wiki_dump_version=${wiki_dump_version}
 
 echo "step 4. make wordvectors"
 python make_wordvectors.py --lcode=${lcode} --vector_size=${vector_size} --window_size=${window_size} --vocab_size=${vocab_size} --num_negative=${num_negative}
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..37d5493
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,28 @@
+boto==2.48.0
+boto3==1.5.20
+botocore==1.8.34
+bz2file==0.98
+certifi==2018.1.18
+chardet==3.0.4
+docutils==0.14
+gensim==3.2.0
+idna==2.6
+jmespath==0.9.3
+konlpy==0.4.4
+lxml==4.1.1
+nltk==3.2.5
+numpy==1.14.0
+python-crfsuite==0.9.5
+python-dateutil==2.6.1
+pyvi==0.0.8.0
+regex==2018.1.10
+requests==2.18.4
+s3transfer==0.1.12
+scikit-learn==0.19.1
+scipy==1.0.0
+six==1.11.0
+sklearn-crfsuite==0.3.6
+smart-open==1.5.6
+tabulate==0.8.2
+tqdm==4.19.5
+urllib3==1.22