diff --git a/gradle.properties b/gradle.properties
index d8f299a9c5..47dc3df8a2 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -46,7 +46,7 @@ developers=Graeme Rocher
 kotlin.stdlib.default.dependency=false
 
 # For the docs
-graalVersion=22.0.0.2
+graalVersion=21.0.5
 
 org.gradle.caching=true
 org.gradle.parallel=true
diff --git a/src/main/docs/guide/languageSupport/graal/graalServices.adoc b/src/main/docs/guide/languageSupport/graal/graalServices.adoc
index a4ee5909fb..df3c05f4c2 100644
--- a/src/main/docs/guide/languageSupport/graal/graalServices.adoc
+++ b/src/main/docs/guide/languageSupport/graal/graalServices.adoc
@@ -35,8 +35,8 @@ To build your native image without using Docker, install a GraalVM JDK. The easi
 .Installing GraalVM {graalVersion} with SDKMAN!
 [source,bash,subs="attributes+"]
 ----
-$ sdk install java {graalVersion}.-graal
-$ sdk use java {graalVersion}.-graal
+$ sdk install java {graalVersion}-graal
+$ sdk use java {graalVersion}-graal
 ----
 
 Once you install GraalVM, the `native-image` tool becomes available.