diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2c7b1e9..1236c4c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,12 @@
 Change Log
 ==========
 
+Version 4.0.1 *(2018-11-20)*
+----------------------------
+
+Add:
+- consumerProguardFiles setting
+
 Version 4.0.0 *(2018-11-16)*
 ----------------------------
 
diff --git a/gradle.properties b/gradle.properties
index 8c07e2d..db4af6d 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -27,7 +27,7 @@ android.enableR8.fullMode=true
 # transitive dependency references.
 android.namespacedRClass=true
 
-VERSION_NAME=4.0.0
+VERSION_NAME=4.0.1
 GROUP=jp.wasabeef
 
 COMPILE_SDK_VERSION=28