diff --git a/release-tools/application-local.template b/release-tools/application-local.template
index 57d53ff..33be287 100644
--- a/release-tools/application-local.template
+++ b/release-tools/application-local.template
@@ -8,4 +8,11 @@ git.password=
 maven.mavenHome=
 
 # Deployment
+deployment.repository-prefix=
 deployment.password=
+deployment.api-key=
+
+# GPG
+deployment.gpg.keyname=
+deployment.gpg.password=
+# deployment.gpg.executable=/usr/local/bin/gpg2
\ No newline at end of file
diff --git a/release-tools/src/main/java/org/springframework/data/release/build/MavenBuildSystem.java b/release-tools/src/main/java/org/springframework/data/release/build/MavenBuildSystem.java
index c9a4537..c798061 100644
--- a/release-tools/src/main/java/org/springframework/data/release/build/MavenBuildSystem.java
+++ b/release-tools/src/main/java/org/springframework/data/release/build/MavenBuildSystem.java
@@ -28,6 +28,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.core.annotation.Order;
 import org.springframework.data.release.deployment.DeploymentInformation;
 import org.springframework.data.release.deployment.DeploymentProperties;
+import org.springframework.data.release.deployment.DeploymentProperties.Gpg;
 import org.springframework.data.release.io.Workspace;
 import org.springframework.data.release.model.ArtifactVersion;
 import org.springframework.data.release.model.ModuleIteration;
@@ -247,7 +248,7 @@ class MavenBuildSystem implements BuildSystem {
 		List<String> arguments = new ArrayList<>();
 		arguments.add("clean");
 		arguments.add("deploy");
-		arguments.add("-Pci,release");
+		arguments.add("-Pci,release".concat(module.getIteration().isPublic() ? ",central" : ""));
 
 		arguments.add("-DskipTests");
 
@@ -258,6 +259,15 @@ class MavenBuildSystem implements BuildSystem {
 		arguments.add("-Dartifactory.build-name=\"".concat(information.getBuildName()).concat("\""));
 		arguments.add("-Dartifactory.build-number=".concat(information.getBuildNumber()));
 
+		if (module.getIteration().isPublic()) {
+
+			Gpg gpg = properties.getGpg();
+
+			arguments.add("-Dgpg.executable=".concat(gpg.getExecutable()));
+			arguments.add("-Dgpg.keyname=".concat(gpg.getKeyname()));
+			arguments.add("-Dgpg.password=".concat(gpg.getPassword()));
+		}
+
 		mvn.execute(module.getProject(), arguments);
 
 		return information;
diff --git a/release-tools/src/main/java/org/springframework/data/release/cli/ReleaseCommands.java b/release-tools/src/main/java/org/springframework/data/release/cli/ReleaseCommands.java
index 55c2715..e0b6782 100644
--- a/release-tools/src/main/java/org/springframework/data/release/cli/ReleaseCommands.java
+++ b/release-tools/src/main/java/org/springframework/data/release/cli/ReleaseCommands.java
@@ -95,6 +95,8 @@ public class ReleaseCommands implements CommandMarker {
 
 		if (projectName != null) {
 
+			deployment.verifyAuthentication();
+
 			Project project = Projects.byName(projectName);
 			ModuleIteration module = iteration.getModule(project);
 
diff --git a/release-tools/src/main/java/org/springframework/data/release/deployment/DeploymentProperties.java b/release-tools/src/main/java/org/springframework/data/release/deployment/DeploymentProperties.java
index 0ef5458..e4e00c8 100644
--- a/release-tools/src/main/java/org/springframework/data/release/deployment/DeploymentProperties.java
+++ b/release-tools/src/main/java/org/springframework/data/release/deployment/DeploymentProperties.java
@@ -57,6 +57,8 @@ public class DeploymentProperties {
 
 	private String repositoryPrefix = "";
 
+	private Gpg gpg;
+
 	public String getStagingRepository() {
 		return repositoryPrefix.concat(stagingRepository);
 	}
@@ -105,4 +107,9 @@ public class DeploymentProperties {
 			return URI.create(uri.concat(VERIFICATION_RESOURCE));
 		}
 	}
+
+	@Data
+	public static class Gpg {
+		private String keyname, password, executable;
+	}
 }
diff --git a/release-tools/src/main/java/org/springframework/data/release/git/GitCommands.java b/release-tools/src/main/java/org/springframework/data/release/git/GitCommands.java
index cbfdb81..56ce187 100644
--- a/release-tools/src/main/java/org/springframework/data/release/git/GitCommands.java
+++ b/release-tools/src/main/java/org/springframework/data/release/git/GitCommands.java
@@ -57,7 +57,7 @@ public class GitCommands implements CommandMarker {
 	}
 
 	@CliCommand("git update")
-	public void checkout(@CliOption(key = { "", "train" }, mandatory = true) String trainName)
+	public void update(@CliOption(key = { "", "train" }, mandatory = true) String trainName)
 			throws Exception, InterruptedException {
 		git.update(ReleaseTrains.getTrainByName(trainName));
 	}
diff --git a/release-tools/src/main/resources/application.properties b/release-tools/src/main/resources/application.properties
index 2ef0c37..08e8d40 100644
--- a/release-tools/src/main/resources/application.properties
+++ b/release-tools/src/main/resources/application.properties
@@ -7,4 +7,9 @@ maven.plugins.versions=org.codehaus.mojo:versions-maven-plugin:2.2
 deployment.server.uri=https://repo.spring.io
 deployment.staging-repository=libs-staging-local
 deployment.username=buildmaster
-#deployment.password <- local
\ No newline at end of file
+#deployment.password <- local
+
+# GPG setup
+deployment.gpg.executable=/usr/local/bin/gpg2
+# deployment.gpg.keyname
+# deployment.gpg.password
\ No newline at end of file