diff --git a/docs/conf.py b/docs/conf.py
index 7bf6cc5a9..6b48f3843 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -67,9 +67,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '1.7.2'
+version = '1.7.3'
 # The full version, including alpha/beta/rc tags.
-release = '1.7.2'
+release = '1.7.3'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -143,7 +143,7 @@
 # The name for this set of Sphinx documents.
 # "<project> v<release> documentation" by default.
 #
-# html_title = 'TensorLayer v1.7.2'
+# html_title = 'TensorLayer v1.7.3'
 
 # A shorter title for the navigation bar.  Default is the same as html_title.
 #
diff --git a/setup.py b/setup.py
index 82271c499..974c25aa7 100755
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,7 @@
 
 setup(
     name = "tensorlayer",
-    version = "1.7.2",
+    version = "1.7.3",
     include_package_data=True,
     author='TensorLayer Contributors',
     author_email='hao.dong11@imperial.ac.uk',
diff --git a/tensorlayer/__init__.py b/tensorlayer/__init__.py
index a09c1740f..0a45da2ec 100644
--- a/tensorlayer/__init__.py
+++ b/tensorlayer/__init__.py
@@ -27,7 +27,7 @@
 act = activation
 vis = visualize
 
-__version__ = "1.7.2"
+__version__ = "1.7.3"
 
 global_flag = {}
 global_dict = {}