diff --git a/.travis.yml b/.travis.yml
index 63cda3d39..3cd38b50c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,7 +17,7 @@ branches:
     - /^\d+\.\d+(\.\d+)?(\S*)?$/
 
 python:
-  - "3.6"
+#  - "3.7"
   - "3.5"
 #  - "2.7"  # TensorLayer 2.0 does not support python2 now
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 734f39278..1d82838b8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -85,6 +85,32 @@ To release a new version, please update the changelog as followed:
 
 ### Contributors
 
+## [2.2.4] - 2020-12-10
+
+TensorLayer 2.2.4 is a maintenance release.
+
+### Added
+
+### Changed
+
+### Dependencies Update
+
+### Deprecated
+
+### Fixed
+
+- Fix batchnorm(#1104)
+- Fix recurrent(#1106)
+
+### Removed
+
+### Security
+
+### Contributors
+- @zsdonghao
+- @Laicheng0830(#1104)
+- @Thinkre(#1106)
+
 ## [2.2.3] - 2020-06-18
 
 TensorLayer 2.2.3 is a maintenance release.
@@ -658,6 +684,7 @@ To many PR for this update, please check [here](https://github.com/tensorlayer/t
 @zsdonghao @luomai @DEKHTIARJonathan
 
 [Unreleased]: https://github.com/tensorlayer/tensorlayer/compare/2.0....master
+[2.2.4]: https://github.com/tensorlayer/tensorlayer/compare/2.2.3...2.2.4
 [2.2.3]: https://github.com/tensorlayer/tensorlayer/compare/2.2.2...2.2.3
 [2.2.2]: https://github.com/tensorlayer/tensorlayer/compare/2.2.1...2.2.2
 [2.2.1]: https://github.com/tensorlayer/tensorlayer/compare/2.2.0...2.2.1
diff --git a/tensorlayer/package_info.py b/tensorlayer/package_info.py
index e21969abd..3b30aeb85 100644
--- a/tensorlayer/package_info.py
+++ b/tensorlayer/package_info.py
@@ -4,7 +4,7 @@
 
 MAJOR = 2
 MINOR = 2
-PATCH = 3
+PATCH = 4
 PRE_RELEASE = ''
 # Use the following formatting: (major, minor, patch, prerelease)
 VERSION = (MAJOR, MINOR, PATCH, PRE_RELEASE)