diff --git a/CHANGELOG.md b/CHANGELOG.md
index fee2047..ec6d424 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # CHANGELOG
 
+## Version 0.4.0 (2023-11-30)
+ - Adds check for Android Runtime to `KC_ANDROID_SDK_INT` [[#51]][51]
+     - Android Unit Tests: `KC_ANDROID_SDK_INT` will now be `null`
+     - Android Runtime: `KC_ANDROID_SDK_INT` will **NOT** be `null`
+ - Updates `kotlin` to `1.9.21` [[#52]][52]
+ - Updates `endians` to `0.2.0` [[#52]][52]
+
 ## Version 0.3.0 (2023-06-28)
  - Fixes JPMS split packages [[#48]][48]
      - **API BREAKING CHANGES**
@@ -86,3 +93,5 @@
 [44]: https://github.com/KotlinCrypto/core/pull/44
 [46]: https://github.com/KotlinCrypto/core/pull/46
 [48]: https://github.com/KotlinCrypto/core/pull/48
+[51]: https://github.com/KotlinCrypto/core/pull/51
+[52]: https://github.com/KotlinCrypto/core/pull/52
diff --git a/README.md b/README.md
index d757939..89eed3d 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,6 @@
 ![badge-platform-ios]
 ![badge-platform-tvos]
 ![badge-platform-watchos]
-![badge-platform-wasm]
 ![badge-platform-windows]
 ![badge-support-android-native]
 ![badge-support-apple-silicon]
@@ -22,6 +21,10 @@
 ![badge-support-linux-arm]
 ![badge-support-linux-mips]
 
+<!--
+![badge-platform-wasm]
+-->
+
 Low level core cryptographic components for Kotlin Multiplatform
 
 NOTE: For Jvm, `Digest` extends `java.security.MessageDigest` and `Mac` extends `javax.crypto.Mac` 
@@ -218,7 +221,7 @@ The best way to keep `KotlinCrypto` dependencies up to date is by using the
 ```kotlin
 // build.gradle.kts
 dependencies {
-    val core = "0.3.0"
+    val core = "0.4.0"
     implementation("org.kotlincrypto.core:digest:$core")
     implementation("org.kotlincrypto.core:mac:$core")
     implementation("org.kotlincrypto.core:xof:$core")
@@ -230,7 +233,7 @@ dependencies {
 ```groovy
 // build.gradle
 dependencies {
-    def core = "0.3.0"
+    def core = "0.4.0"
     implementation "org.kotlincrypto.core:digest:$core"
     implementation "org.kotlincrypto.core:mac:$core"
     implementation "org.kotlincrypto.core:xof:$core"
@@ -238,12 +241,12 @@ dependencies {
 ```
 
 <!-- TAG_VERSION -->
-[badge-latest-release]: https://img.shields.io/badge/latest--release-0.3.0-blue.svg?style=flat
+[badge-latest-release]: https://img.shields.io/badge/latest--release-0.4.0-blue.svg?style=flat
 [badge-license]: https://img.shields.io/badge/license-Apache%20License%202.0-blue.svg?style=flat
 
 <!-- TAG_DEPENDENCIES -->
-[badge-kotlin]: https://img.shields.io/badge/kotlin-1.8.21-blue.svg?logo=kotlin
-[badge-endians]: https://img.shields.io/badge/kotlincrypto.endians-0.1.0-blue.svg
+[badge-kotlin]: https://img.shields.io/badge/kotlin-1.9.21-blue.svg?logo=kotlin
+[badge-endians]: https://img.shields.io/badge/kotlincrypto.endians-0.2.0-blue.svg
 
 <!-- TAG_PLATFORMS -->
 [badge-platform-android]: http://img.shields.io/badge/-android-6EDB8D.svg?style=flat
diff --git a/gradle.properties b/gradle.properties
index f3b1a03..e2f52c6 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -30,10 +30,10 @@ POM_DEVELOPER_ID=KotlinCrypto
 POM_DEVELOPER_NAME=Kotlin Crypto
 POM_DEVELOPER_URL=https://github.com/KotlinCrypto/
 
-VERSION_NAME=0.3.1-SNAPSHOT
+VERSION_NAME=0.4.0
 # 0.1.0-alpha01 = 00 01 00 11
 # 0.1.0-beta01  = 00 01 00 21
 # 0.1.0-rc01    = 00 01 00 31
 # 0.1.0         = 00 01 00 99
 # 1.1.0         = 01 01 00 99
-VERSION_CODE=30199
+VERSION_CODE=40099