diff --git a/README.md b/README.md
index 3759c6524af47344be43cca593427dc7a63f4e82..3ace2df76d0f5e26e24e059dd5a4ddfbb3461805 100644
--- a/README.md
+++ b/README.md
@@ -36,6 +36,9 @@ This project is released under the [Apache 2.0 license](LICENSE).
 
 ## Updates
 
+v0.5.4 (27/11/2018)
+- Add SingleStageDetector and RetinaNet.
+
 v0.5.3 (26/11/2018)
 - Add Cascade R-CNN and Cascade Mask R-CNN.
 
diff --git a/setup.py b/setup.py
index 625de9ad6d5d2b67cde509dd025976b3055b2f8e..350b30772e9e0a611bb0a2c9663a5230996ebcc9 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@ def readme():
 
 MAJOR = 0
 MINOR = 5
-PATCH = 3
+PATCH = 4
 SUFFIX = ''
 SHORT_VERSION = '{}.{}.{}{}'.format(MAJOR, MINOR, PATCH, SUFFIX)