diff --git a/CHANGELOG.md b/CHANGELOG.md
index a11985f9..e8a1cae5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 # Change Log
 
-## [0.4.0] - Apr 6, 2023
+## [Unreleased]
+
+## [0.4.0] - Apr 7, 2023
 
 ### Changed
 
@@ -45,10 +47,10 @@
     init(viewModel: SharedViewModel) {
       vm = viewModel
 
-      state = vm.stateFlow.value       //  <--- Use `value` getter with type safety (do not need to cast).
+      state = vm.stateFlow.value       //  <--- Use `value` property with type safety (do not need to cast).
       vm.stateFlow.subscribe(          //  <--- Use `subscribe(scope:onValue:)` method directly.
         scope: vm.viewModelScope,
-        onValue: { [weak self] v in self?.state = v }
+        onValue: { [weak self] in self?.state = $0 }
       )
     }
 
diff --git a/docs/viewmodel-savedstate.md b/docs/viewmodel-savedstate.md
index 78a95a0e..913e2d6c 100644
--- a/docs/viewmodel-savedstate.md
+++ b/docs/viewmodel-savedstate.md
@@ -37,7 +37,7 @@ kotlin {
   sourceSets {
     val commonMain by getting {
       dependencies {
-        api("io.github.hoc081098:kmp-viewmodel-savedstate:0.3.0")
+        api("io.github.hoc081098:kmp-viewmodel-savedstate:0.4.0")
       }
     }
   }
@@ -53,7 +53,7 @@ kotlin {
     [...]
     framework {
       baseName = "shared"
-      export("io.github.hoc081098:kmp-viewmodel-savedstate:0.3.0") // required to expose the classes to iOS.
+      export("io.github.hoc081098:kmp-viewmodel-savedstate:0.4.0") // required to expose the classes to iOS.
     }
   }
 }
@@ -66,7 +66,7 @@ kotlin {
     binaries {
       framework {
         baseName = "shared"
-        export("io.github.hoc081098:kmp-viewmodel-savedstate:0.3.0") // required to expose the classes to iOS.
+        export("io.github.hoc081098:kmp-viewmodel-savedstate:0.4.0") // required to expose the classes to iOS.
       }
     }
   }
@@ -99,7 +99,7 @@ dependencyResolutionManagement {
 
 // build.gradle.kts
 dependencies {
-  api("io.github.hoc081098:kmp-viewmodel-savedstate:0.3.1-SNAPSHOT")
+  api("io.github.hoc081098:kmp-viewmodel-savedstate:0.4.1-SNAPSHOT")
 }
 ```
 
diff --git a/docs/viewmodel.md b/docs/viewmodel.md
index 83d0df62..312ffe8a 100644
--- a/docs/viewmodel.md
+++ b/docs/viewmodel.md
@@ -23,7 +23,7 @@ kotlin {
   sourceSets {
     val commonMain by getting {
       dependencies {
-        api("io.github.hoc081098:kmp-viewmodel:0.3.0")
+        api("io.github.hoc081098:kmp-viewmodel:0.4.0")
       }
     }
   }
@@ -39,7 +39,7 @@ kotlin {
     [...]
     framework {
       baseName = "shared"
-      export("io.github.hoc081098:kmp-viewmodel:0.3.0") // required to expose the classes to iOS.
+      export("io.github.hoc081098:kmp-viewmodel:0.4.0") // required to expose the classes to iOS.
     }
   }
 }
@@ -52,7 +52,7 @@ kotlin {
     binaries {
       framework {
         baseName = "shared"
-        export("io.github.hoc081098:kmp-viewmodel:0.3.0") // required to expose the classes to iOS.
+        export("io.github.hoc081098:kmp-viewmodel:0.4.0") // required to expose the classes to iOS.
       }
     }
   }
@@ -75,7 +75,7 @@ dependencyResolutionManagement {
 
 // build.gradle.kts
 dependencies {
-  api("io.github.hoc081098:kmp-viewmodel:0.3.1-SNAPSHOT")
+  api("io.github.hoc081098:kmp-viewmodel:0.4.1-SNAPSHOT")
 }
 ```
 
diff --git a/gradle.properties b/gradle.properties
index 71feea3b..0856da29 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -26,7 +26,7 @@ kotlin.incremental=true
 # POM
 GROUP=io.github.hoc081098
 # HEY! If you change the major version here be sure to update publish-release.yaml doc target folder!
-VERSION_NAME=0.3.1-SNAPSHOT
+VERSION_NAME=0.4.0
 POM_INCEPTION_YEAR=2023
 
 POM_URL=https://github.com/hoc081098/kmp-viewmodel