Mobly Release 1.7.4. (#481)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index a3e0e6b..0082c72 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,23 @@
 # Mobly Release History
 
 
+## Mobly Release 1.7.4: Better debug logs
+Added framework DEBUG level log generated by Mobly:
+* Log test configuration at the beginning.
+* Log boundaries of each execution stage.
+* Log snippet client calls.
+
+## New
+* Support suffixing test class name in a suite.
+* API to unload a single snippet from `AndroidDevice`.
+
+## Fixes
+* Fixes in `BaseTestClass`.
+* Fixes for running on Windows.
+
+[Full list of changes.](https://github.com/google/mobly/milestone/17?closed=1)
+
+
 ## 1.7.3: Windows support fixes
 
 ### New
diff --git a/setup.py b/setup.py
index 679cc62..d24c45e 100755
--- a/setup.py
+++ b/setup.py
@@ -60,13 +60,13 @@
 def main():
     setuptools.setup(
         name='mobly',
-        version='1.7.3',
+        version='1.7.4',
         maintainer='Ang Li',
         maintainer_email='mobly-github@googlegroups.com',
         description='Automation framework for special end-to-end test cases',
         license='Apache2.0',
         url='https://github.com/google/mobly',
-        download_url='https://github.com/google/mobly/tarball/1.7.3',
+        download_url='https://github.com/google/mobly/tarball/1.7.4',
         packages=setuptools.find_packages(),
         include_package_data=False,
         scripts=['tools/sl4a_shell.py', 'tools/snippet_shell.py'],