diff --git a/build.gradle b/build.gradle
index c543546..c1f8bfc 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,8 +1,8 @@
 
 plugins {
-    id "org.sonarqube" version "2.5"
+    id "org.sonarqube" version "2.6.1"
+    id "io.codearte.nexus-staging" version "0.11.0"
     id "org.xbib.gradle.plugin.asciidoctor" version "1.5.4.1.0"
-    id "io.codearte.nexus-staging" version "0.7.0"
 }
 
 printf "Host: %s\nOS: %s %s %s\nJVM: %s %s %s %s\nGroovy: %s\nGradle: %s\n" +
@@ -43,7 +43,7 @@ allprojects {
 
     dependencies {
         testCompile 'junit:junit:4.12'
-        wagon 'org.apache.maven.wagon:wagon-ssh:2.12'
+        wagon 'org.apache.maven.wagon:wagon-ssh:3.0.0'
     }
 
     sourceCompatibility = JavaVersion.VERSION_1_8
diff --git a/gradle.properties b/gradle.properties
index 6055a12..c257dc8 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,6 +1,6 @@
 group = org.xbib
 name = content
-version = 1.2.0
+version = 1.2.1
 
-jackson.version = 2.8.9
+jackson.version = 2.8.11
 xbib-net.version = 1.0.0
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 7a3265e..99340b4 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index bd4f805..eea9141 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Mon Aug 14 19:27:00 CEST 2017
+#Sat Jan 27 20:21:20 CET 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.4.1-all.zip