diff --git a/.github/workflows/graalvm.yml b/.github/workflows/graalvm.yml
index fd117321..ca79e2ed 100644
--- a/.github/workflows/graalvm.yml
+++ b/.github/workflows/graalvm.yml
@@ -20,7 +20,7 @@ jobs:
     strategy:
       matrix:
         java: ['17']
-        graalvm: ['latest', 'dev']
+        graalvm: ['latest']
     steps:
        # https://github.com/actions/virtual-environments/issues/709
       - name: Free disk space
diff --git a/settings.gradle b/settings.gradle
index bb3e5be9..ba304d1c 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -6,7 +6,7 @@ pluginManagement {
 }
 
 plugins {
-    id("io.micronaut.build.shared.settings") version "5.3.14"
+    id("io.micronaut.build.shared.settings") version "5.4.5"
 }
 
 rootProject.name = 'email-parent'
diff --git a/src/main/docs/guide/integrations/javamail.adoc b/src/main/docs/guide/integrations/javamail.adoc
index ace6f148..29dfe47b 100644
--- a/src/main/docs/guide/integrations/javamail.adoc
+++ b/src/main/docs/guide/integrations/javamail.adoc
@@ -8,10 +8,10 @@ You need to provide beans of type api:io.micronaut.email.javamail.sender.MailPro
 
 As an alternative to providing your own api:io.micronaut.email.javamail.sender.SessionProvider[] for authentication, you can configure password based authentication via configuration:
 
-[source, yaml]
+[configuration]
 ----
 javamail:
   authentication:
     username: 'my.username'
     password: 'my.password'
-----
\ No newline at end of file
+----