diff --git a/build.gradle b/build.gradle
index 5d47df2..d89fbb1 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@ plugins {
     id 'pmd'
     id "com.github.ben-manes.versions" version "0.21.0"
     id "com.github.spotbugs" version "2.0.0"
-    id "net.thauvin.erik.gradle.semver" version "1.0.2"
+    id "net.thauvin.erik.gradle.semver" version "1.0.4"
     id "org.sonarqube" version "2.7.1"
 }
 
@@ -21,14 +21,10 @@ final def deployDir = 'deploy'
 final def semverProcessor = "net.thauvin.erik:semver:1.2.0"
 
 mainClassName = packageName + '.Mobibot'
-[compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
-
-compileJava.options.annotationProcessorGeneratedSourcesDirectory = file("${projectDir}/src/generated/java")
-
 
 ext {
-    log4j = '2.11.2'
-    spotbugs_annotations = '4.0.0-beta2'
+    log4j = '2.12.0'
+    spotbugs_annotations = '4.0.0-beta3'
 }
 
 repositories {
@@ -51,9 +47,9 @@ dependencies {
     compile 'commons-cli:commons-cli:1.4'
 
     compile 'commons-net:commons-net:3.6'
-    compile 'com.squareup.okhttp3:okhttp:3.14.2'
+    compile 'com.squareup.okhttp3:okhttp:4.0.1'
 
-    compile 'com.rometools:rome:1.12.0'
+    compile 'com.rometools:rome:1.12.1'
 
     compile 'org.json:json:20180813'
     compile 'org.jsoup:jsoup:1.12.1'
@@ -68,7 +64,7 @@ dependencies {
     testImplementation 'org.assertj:assertj-core:3.12.2'
 
     spotbugsPlugins 'com.h3xstream.findsecbugs:findsecbugs-plugin:1.9.0'
-    spotbugsPlugins 'com.mebigfatguy.fb-contrib:fb-contrib:7.4.5'
+    spotbugsPlugins 'com.mebigfatguy.fb-contrib:fb-contrib:7.4.6'
 
     compileOnly "com.github.spotbugs:spotbugs-annotations:$spotbugs_annotations"
     testCompileOnly "com.github.spotbugs:spotbugs-annotations:$spotbugs_annotations"
@@ -85,9 +81,17 @@ pmd {
     ruleSets = []
 }
 
+tasks.withType(JavaCompile) {
+    options.encoding = 'UTF-8'
+    options.annotationProcessorGeneratedSourcesDirectory = file("${projectDir}/src/generated/java")
+    if (JavaVersion.current().isJava12Compatible()) {
+        options.compilerArgs += [ "-Asemver.project.dir=$projectDir" ]
+    }
+}
+
 compileJava {
     dependsOn('incrementBuildMeta')
-    options.compilerArgs += ['-Xlint:unchecked', '-Xlint:deprecation', "-Asemver.project.dir=$projectDir"]
+    options.compilerArgs += ['-Xlint:unchecked', '-Xlint:deprecation']
 }
 
 javadoc {