diff --git a/Changelog.rst b/Changelog.rst
index 58e0e4d4..bfc9331d 100644
--- a/Changelog.rst
+++ b/Changelog.rst
@@ -1,6 +1,9 @@
 Changelog
 =========
 
+0.4.6 (2018-03-20):
+ - Fix ``Too many open files`` (#6)
+
 0.4.5 (2018-03-07):
  - ``get_station_list()``: return a list of stations
  - ``select_stations()``: support selecting stations in a box or circular region
diff --git a/HinetPy/__init__.py b/HinetPy/__init__.py
index 9d584d0f..bade8f90 100644
--- a/HinetPy/__init__.py
+++ b/HinetPy/__init__.py
@@ -18,7 +18,7 @@
 """
 
 __title__ = 'HinetPy'
-__version__ = '0.4.5'
+__version__ = '0.4.6'
 __author__ = 'Dongdong Tian'
 __license__ = 'MIT'