diff --git a/Jenkinsfile b/Jenkinsfile
index a2145fb5f..dbdc55edc 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -47,7 +47,7 @@ pipeline {
 
         stage('Build') {
             steps {
-                sh "$GRADLE_CMD build -x test"
+                sh "$GRADLE_CMD clean build -x test"
                 archiveArtifacts allowEmptyArchive: true, artifacts: '**/build/libs/*.jar', fingerprint: true
             }
         }
@@ -68,55 +68,63 @@ pipeline {
             }
         }
 
-        stage('Deploy libs to SenX\' Nexus') {
-            options {
-                timeout(time: 2, unit: 'HOURS')
-            }
-            input {
-                message "Should we deploy libs?"
-            }
-            steps {
-                sh "$GRADLE_CMD publishMavenPublicationToNexusRepository -x test"
-            }
-        }
-
-        stage('Release tar.gz on GitHub') {
+        stage('Publish') {
             when {
-                beforeInput true
-                // Only possible if code pulled from github because the release will refer to the
-                // given tag in the given branch. If no such tag exists, it is created from the
-                // HEAD of the branch.
-                expression { return 'github.com' == getParam('gitHost') }
-            }
-            options {
-                timeout(time: 2, unit: 'HOURS')
-            }
-            input {
-                message "Should we release Warp 10?"
+                expression { "" != TAG }
             }
-            steps {
-                script {
-                    releaseID = createGitHubRelease()
+            stages {
+                stage('Deploy libs to SenX\' Nexus') {
+                    options {
+                        timeout(time: 24, unit: 'HOURS')
+                    }
+                    input {
+                        message "Should we deploy libs?"
+                    }
+                    steps {
+                        sh "$GRADLE_CMD publishMavenPublicationToNexusRepository -x test"
+                    }
                 }
-                sh "curl -f -X POST -H \"Authorization:token ${getParam('githubToken')}\" -H \"Content-Type:application/octet-stream\" -T warp10/build/libs/warp10-${VERSION}.tar.gz https://uploads.github.com/repos/${getParam('gitOwner')}/${getParam('gitRepo')}/releases/${releaseID}/assets?name=warp10-${VERSION}.tar.gz"
-            }
-        }
 
-        stage('Deploy libs to Maven Central') {
-            options {
-                timeout(time: 2, unit: 'HOURS')
-            }
-            input {
-                message "Should we deploy libs?"
-            }
-            steps {
-                sh "$GRADLE_CMD publish"
-                sh "$GRADLE_CMD closeRepository"
-                sh "$GRADLE_CMD releaseRepository"
-                notifyBuild('PUBLISHED')
+                stage('Release tar.gz on GitHub') {
+                    when {
+                        beforeInput true
+                        // Only possible if code pulled from github because the release will refer to the
+                        // given tag in the given branch. If no such tag exists, it is created from the
+                        // HEAD of the branch.
+                        expression { return 'github.com' == getParam('gitHost') }
+                    }
+                    options {
+                        timeout(time: 2, unit: 'HOURS')
+                    }
+                    input {
+                        message "Should we release Warp 10?"
+                    }
+                    steps {
+                        script {
+                            releaseID = createGitHubRelease()
+                        }
+                        sh "curl -f -X POST -H \"Authorization:token ${getParam('githubToken')}\" -H \"Content-Type:application/octet-stream\" -T warp10/build/libs/warp10-${VERSION}.tar.gz https://uploads.github.com/repos/${getParam('gitOwner')}/${getParam('gitRepo')}/releases/${releaseID}/assets?name=warp10-${VERSION}.tar.gz"
+                        sh "curl -f -X POST -H \"Authorization:token ${getParam('githubToken')}\" -H \"Content-Type:application/octet-stream\" -T warp10/build/libs/warp10-${VERSION}.tar.gz.asc https://uploads.github.com/repos/${getParam('gitOwner')}/${getParam('gitRepo')}/releases/${releaseID}/assets?name=warp10-${VERSION}.tar.gz.asc"
+                        sh "curl -f -X POST -H \"Authorization:token ${getParam('githubToken')}\" -H \"Content-Type:application/octet-stream\" -T warp10/build/libs/warp10-${VERSION}.tar.gz.sha512 https://uploads.github.com/repos/${getParam('gitOwner')}/${getParam('gitRepo')}/releases/${releaseID}/assets?name=warp10-${VERSION}.tar.gz.sha512"
+                    }
+                }
+
+                stage('Deploy libs to Maven Central') {
+                    options {
+                        timeout(time: 2, unit: 'HOURS')
+                    }
+                    input {
+                        message "Should we deploy libs?"
+                    }
+                    steps {
+                        sh "$GRADLE_CMD publish"
+                        sh "$GRADLE_CMD closeRepository"
+                        sh "$GRADLE_CMD releaseRepository"
+                        notifyBuild('PUBLISHED')
+                    }
+                }
             }
         }
-
     }
 
     post {
@@ -181,5 +189,5 @@ String getVersion() {
 }
 
 String getTag() {
-    return sh(returnStdout: true, script: 'git describe --tags').trim()
+    return sh(returnStdout: true, script: 'git tag --points-at HEAD').trim()
 }
diff --git a/warp10/build.gradle b/warp10/build.gradle
index fbc2c47ec..bc4857f80 100644
--- a/warp10/build.gradle
+++ b/warp10/build.gradle
@@ -183,7 +183,7 @@ task pack(type: Jar) {
 //
 task createTarArchive(type: Exec, dependsOn: pack) {
     workingDir '.'
-    commandLine "${projectDir}/src/main/sh/package.sh", version, projectDir
+    commandLine "${projectDir}/src/main/sh/package.sh", version, projectDir, project.getProperties().get("signing.gnupg.keyName")
     outputs.file "${buildDir}/libs/warp10-${version}.tar.gz"
 }
 
diff --git a/warp10/src/main/sh/package.sh b/warp10/src/main/sh/package.sh
index 5fc81d333..9ed36e5ab 100755
--- a/warp10/src/main/sh/package.sh
+++ b/warp10/src/main/sh/package.sh
@@ -32,7 +32,7 @@ set -eu
 
 VERSION=$1
 if [ -z "${VERSION:+x}" ]; then
-  echo "Usage: $0 VERSION WARP_ROOT_PATH"
+  echo "Usage: $0 VERSION WARP_ROOT_PATH GPG_KEY_NAME"
   exit 1
 fi
 WARP10_HOME=warp10-${VERSION}
@@ -40,7 +40,7 @@ WARP10_HOME=warp10-${VERSION}
 # Warp 10 root project path (../warp10)
 WARP_ROOT_PATH=$2
 if [ -z "${WARP_ROOT_PATH:+x}" ]; then
-  echo "Usage: $0 VERSION WARP_ROOT_PATH"
+  echo "Usage: $0 VERSION WARP_ROOT_PATH GPG_KEY_NAME"
   exit 1
 fi
 if [ ! -d "${WARP_ROOT_PATH}" ]; then
@@ -48,6 +48,12 @@ if [ ! -d "${WARP_ROOT_PATH}" ]; then
   exit 1
 fi
 
+GPG_KEY_NAME=$3
+if [ -z "${GPG_KEY_NAME:+x}" ]; then
+  echo "Usage: $0 VERSION WARP_ROOT_PATH GPG_KEY_NAME"
+  exit 1
+fi
+
 ARCHIVE=${WARP_ROOT_PATH}/archive
 
 # Remove existing archive dir
@@ -113,7 +119,14 @@ find "${WARP10_HOME}" -type f \( -name \*.sh -o -name \*.py -o -name \*.init \)
 chmod 700 "${WARP10_HOME}/etc"
 
 # Build tar
-tar czpf "../build/libs/warp10-${VERSION}.tar.gz" "${WARP10_HOME}"
+FILE=../build/libs/warp10-${VERSION}.tar.gz
+tar czpf "${FILE}" "${WARP10_HOME}"
+
+# Generate signature
+gpg --local-user "${GPG_KEY_NAME}" --output "${FILE}".asc --detach-sign "${FILE}"
+
+# Generate hash
+sha512sum "${FILE}" | sed -e "s@  .*/@  @" > "${FILE}".sha512
 
 # Delete ARCHIVE
 rm -rf "${ARCHIVE}"