diff --git a/developers.adoc b/developers.adoc
index f4a3a4a..e2d6cb0 100644
--- a/developers.adoc
+++ b/developers.adoc
@@ -230,8 +230,10 @@ TODO
 [[java]]
 === Java
 
+> Maven GPG signing key https://maven.apache.org/plugins/maven-gpg-plugin/usage.html[configuration guide]
+
 * Pump version, set version to `$VERSION`, without `-SNAPSHOT`
-* `mvn deploy`
+* `mvn -DperformRelease=true deploy`
 * Go to https://oss.sonatype.org/#stagingRepositories
 * Scroll to the very end of list, seek `iokaitai-...` repositories
 * Select our staging repository