diff --git a/build.gradle.kts b/build.gradle.kts
index d70d79b3..bc755822 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -18,7 +18,7 @@ buildscript {
 
 allprojects {
     group = "com.rickclephas.kmp"
-    version = "1.0.0-ALPHA-31"
+    version = "1.0.0-ALPHA-31-kotlinx-1.9.0-RC"
 
     repositories {
         mavenCentral()
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 4ba7abb0..80e2f275 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,6 +1,6 @@
 [versions]
 kotlin = "2.0.0"
-kotlinx-coroutines = "1.8.1"
+kotlinx-coroutines = "1.9.0-RC"
 kotlinx-binary-compatibility-validator = "0.15.0-Beta.2"
 ksp = "2.0.0-1.0.21"
 kotlinpoet = "1.17.0"