diff --git a/.gitignore b/.gitignore
index dfbae5304..05bb781c1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -109,7 +109,7 @@ ENV/
 
 # Pypi
 /dist
-=======
+
 # datasets folder
 data/
 
diff --git a/HISTORY.rst b/HISTORY.rst
index 617be42a8..c601af2c7 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -2,7 +2,11 @@
 History
 =======
 
-0.1.0 (2018-05-29)
+0.2.0 (2018-12-19)
 ------------------
 
-* First release on PyPI.
+* Second release on PyPI.
+* Added Hierarchical clustering
+* Added Louvain clustering
+* Added Forward-backward embedding
+* Added basic loaders and toy graphs
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 66cb963ba..281d9303a 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,12 +1,14 @@
-pip==18.1
+pip==19.0.3
 bumpversion==0.5.3
-wheel==0.32.3
+wheel==0.33.1
 watchdog==0.9.0
-flake8==3.6.0
-tox==3.6.0
-coverage==4.5.2
-Sphinx==1.8.2
-twine==1.12.1
+flake8==3.7.7
+tox==3.7.0
+Sphinx==1.8.5
+coverage==4.5.3
+twine==1.13.0
+
+
+pytest-runner==4.4
+pytest==4.3.1
 
-pytest==4.0.2
-pytest-runner==4.2
diff --git a/setup.cfg b/setup.cfg
index 473100024..c950ef776 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.1.1
+current_version = 0.2.0
 commit = True
 tag = True
 
diff --git a/sknetwork/__init__.py b/sknetwork/__init__.py
index c7fe5cf62..c100aa26b 100644
--- a/sknetwork/__init__.py
+++ b/sknetwork/__init__.py
@@ -11,4 +11,4 @@
 from sknetwork.loader import *
 from sknetwork.clustering import *
 from sknetwork.hierarchy import *
-from sknetwork.embedding import *
+from sknetwork.embedding import *
\ No newline at end of file
diff --git a/sknetwork/toy_graphs/test/__init__.py b/sknetwork/toy_graphs/test/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/sknetwork/toy_graphs/test/test_graph_imports.py b/sknetwork/toy_graphs/test/test_graph_imports.py
index 72e5e0f2b..8f8b0125a 100644
--- a/sknetwork/toy_graphs/test/test_graph_imports.py
+++ b/sknetwork/toy_graphs/test/test_graph_imports.py
@@ -1,15 +1,10 @@
 # -*- coding: utf-8 -*-
 # test for graph_data.py
-#
-# Copyright 2018 Scikit-network Developers.
-# Copyright 2018 Quentin Lutz <qlutz@enst.fr>, Nathan de Lara <ndelara@enst.fr>
-#
-# This file is part of Scikit-network.
+# authors: Quentin Lutz <qlutz@enst.fr>, Nathan de Lara <ndelara@enst.fr>
 
 import unittest
 from sknetwork.toy_graphs.graph_data import karate_club_graph, star_wars_villains_graph
 
-
 class TestGraphImport(unittest.TestCase):
 
     def setUp(self):