diff --git a/README.md b/README.md
index c405fdc9bbbd1..691a22655c340 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ At the moment is has the following features:
 *** `xcode-select --install`
 ** Linux
 *** TBD
-* Install GraalVM (minimum RC8)
+* Install GraalVM (minimum RC9)
 * set `GRAALVM_HOME` to your GraalVM Home directory e.g. `/Users/emmanuel/JDK/GraalVM/Contents/Home`
 * `mvn install`
 
diff --git a/pom.xml b/pom.xml
index e470e07ab651d..44c9a2986a870 100644
--- a/pom.xml
+++ b/pom.xml
@@ -42,7 +42,7 @@
         <plexus-utils.version>3.0.24</plexus-utils.version>
         <maven-plugin-annotations.version>3.5.2</maven-plugin-annotations.version>
         <plexus-component-annotations.version>1.7.1</plexus-component-annotations.version>
-        <graal-sdk.version>1.0.0-rc8</graal-sdk.version>
+        <graal-sdk.version>1.0.0-rc9</graal-sdk.version>
         <jackson.version>2.9.5</jackson.version>
         <commons-beanutils-core.version>1.8.3</commons-beanutils-core.version>
         <commons-logging.version>1.2</commons-logging.version>