diff --git a/CHANGELOG.md b/CHANGELOG.md
index a064c76..f74d6d0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,9 @@
 Note the first digit of every adapter version corresponds to the major version of the Chartboost Mediation SDK compatible with that adapter. 
 Adapters are compatible with any Chartboost Mediation SDK version within that major version.
 
+### 4.6.4.2.0
+- This version of the adapter has been certified with HyprMX SDK 6.4.2.
+
 ### 4.6.4.1.1
 - Fix for HyprMX not being capable of supporting ad queuing.
 
diff --git a/HyprMXAdapter/build.gradle.kts b/HyprMXAdapter/build.gradle.kts
index 1ced779..e2acec1 100644
--- a/HyprMXAdapter/build.gradle.kts
+++ b/HyprMXAdapter/build.gradle.kts
@@ -35,7 +35,7 @@ android {
         minSdk = 21
         targetSdk = 33
         // If you touch the following line, don't forget to update scripts/get_rc_version.zsh
-        android.defaultConfig.versionName = System.getenv("VERSION_OVERRIDE") ?: "4.6.4.1.1"
+        android.defaultConfig.versionName = System.getenv("VERSION_OVERRIDE") ?: "4.6.4.2.0"
         buildConfigField("String", "CHARTBOOST_MEDIATION_HYPRMX_ADAPTER_VERSION", "\"${android.defaultConfig.versionName}\"")
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
@@ -71,7 +71,7 @@ dependencies {
 
     // For external usage, please use the following production dependency.
     // You may choose a different release version.
-    implementation("com.hyprmx.android:HyprMX-SDK:6.4.1")
+    implementation("com.hyprmx.android:HyprMX-SDK:6.4.2")
 
     // Partner SDK Dependencies
     implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.4")
diff --git a/README.md b/README.md
index caaf546..cc878bb 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ The Chartboost Mediation HyprMX adapter mediates HyprMX via the Chartboost Media
 
 In your `build.gradle`, add the following entry:
 ```
-    implementation "com.chartboost:chartboost-mediation-adapter-hyprmx:4.6.4.1.1"
+    implementation "com.chartboost:chartboost-mediation-adapter-hyprmx:4.6.4.2.0"
 ```
 
 ## Contributions