diff --git a/.circleci/config.yml b/.circleci/config.yml
index b6d9624..a20eb37 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,3 +1,4 @@
+version: 2
 defaults: &defaults
   working_directory: ~/repo
   environment:
@@ -28,14 +29,12 @@ defaults_gradle: &defaults_gradle
     - store_test_results:
         path: build/reports/
 
-version: 2.0
-
 jobs:
   build_gradle_jdk12:
     <<: *defaults
 
     docker:
-      - image: circleci/openjdk:11-jdk
+      - image: openjdk:12-jdk
 
     <<: *defaults_gradle
 
diff --git a/build.gradle b/build.gradle
index cf21967..6598a14 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,10 +5,10 @@ plugins {
     id 'jacoco'
     id 'java'
     id 'pmd'
-    id "com.github.ben-manes.versions" version "0.25.0"
-    id "com.github.spotbugs" version "2.0.0"
+    id "com.github.ben-manes.versions" version "0.27.0"
+    id "com.github.spotbugs" version "3.0.0"
     id "net.thauvin.erik.gradle.semver" version "1.0.4"
-    id "org.sonarqube" version "2.7.1"
+    id "org.sonarqube" version "2.8"
 }
 
 
@@ -24,9 +24,9 @@ mainClassName = packageName + '.Mobibot'
 
 ext {
     versions = [
-        kotlin : '1.3.50',
-        log4j : '2.12.1',
-        spotbugs_annotations : '4.0.0-beta3'
+        kotlin : '1.3.61',
+        log4j : '2.13.0',
+        spotbugs : '4.0.0-RC3'
     ]
 }
 
@@ -47,15 +47,16 @@ dependencies {
     compile "org.apache.logging.log4j:log4j-core:$versions.log4j"
     compile "org.apache.logging.log4j:log4j-slf4j-impl:$versions.log4j"
 
+    compile 'org.apache.commons:commons-lang3:3.9'
     compile 'commons-cli:commons-cli:1.4'
 
     compile 'commons-net:commons-net:3.6'
-    compile 'com.squareup.okhttp3:okhttp:4.2.0'
+    compile 'com.squareup.okhttp3:okhttp:4.3.1'
 
-    compile 'com.rometools:rome:1.12.1'
+    compile 'com.rometools:rome:1.12.2'
 
     compile 'org.json:json:20190722'
-    compile 'org.jsoup:jsoup:1.12.1'
+    compile 'org.jsoup:jsoup:1.12.2'
     compile 'net.objecthunter:exp4j:0.4.8'
 
     compile 'org.twitter4j:twitter4j-core:4.0.7'
@@ -66,14 +67,14 @@ dependencies {
     compile "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$versions.kotlin"
     compile "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$versions.kotlin"
 
-    testImplementation 'org.testng:testng:7.0.0'
-    testImplementation 'org.assertj:assertj-core:3.13.2'
+    testImplementation 'org.testng:testng:7.1.1'
+    testImplementation 'org.assertj:assertj-core:3.15.0'
 
-    spotbugsPlugins 'com.h3xstream.findsecbugs:findsecbugs-plugin:1.9.0'
-    spotbugsPlugins 'com.mebigfatguy.sb-contrib:sb-contrib:7.4.6'
+    spotbugsPlugins 'com.h3xstream.findsecbugs:findsecbugs-plugin:1.10.1'
+    spotbugsPlugins 'com.mebigfatguy.sb-contrib:sb-contrib:7.4.7'
 
-    compileOnly "com.github.spotbugs:spotbugs-annotations:$versions.spotbugs_annotations"
-    testCompileOnly "com.github.spotbugs:spotbugs-annotations:$versions.spotbugs_annotations"
+    compileOnly "com.github.spotbugs:spotbugs-annotations:$versions.spotbugs"
+    testCompileOnly "com.github.spotbugs:spotbugs-annotations:$versions.spotbugs"
 }
 
 test {
@@ -82,9 +83,15 @@ test {
     }
 }
 
+spotbugs {
+    toolVersion = versions.spotbugs
+}
+
 pmd {
-    ruleSetFiles = files("config/pmd.xml")
+    ignoreFailures = true
     ruleSets = []
+    ruleSetFiles = files("${projectDir}/config/pmd.xml")
+    consoleOutput = true
 }
 
 tasks.withType(JavaCompile) {
diff --git a/config/checkstyle/checkstyle.xml b/config/checkstyle/checkstyle.xml
index c426276..c5f6465 100644
--- a/config/checkstyle/checkstyle.xml
+++ b/config/checkstyle/checkstyle.xml
@@ -32,10 +32,27 @@
         <property name="eachLine" value="true"/>
     </module>
 
+    <module name="LineLength">
+        <property name="max" value="120"/>
+        <property name="ignorePattern" value="^package.*|^import.*|a href|href|http://|https://|ftp://"/>
+    </module>
+
     <module name="SuppressWarningsFilter"/>
 
+    <module name="SuppressWithPlainTextCommentFilter">
+        <property name="offCommentFormat" value="CHECKSTYLE_OFF"/>
+        <property name="onCommentFormat" value="CHECKSTYLE_ON"/>
+        <property name="checkFormat"
+                  value="^((?!(FileTabCharacterCheck)).)*$"/>
+    </module>
+
     <module name="TreeWalker">
         <module name="SuppressWarningsHolder"/>
+        <module name="SuppressionCommentFilter">
+            <property name="offCommentFormat" value="CHECKSTYLE_OFF: ALMOST_ALL"/>
+            <property name="onCommentFormat" value="CHECKSTYLE_ON: ALMOST_ALL"/>
+            <property name="checkFormat" value="^((?!(EqualsHashCode)).)*$"/>
+        </module>
         <module name="OuterTypeFilename"/>
         <module name="IllegalTokenText">
             <property name="tokens" value="STRING_LITERAL, CHAR_LITERAL"/>
@@ -49,10 +66,6 @@
             <property name="allowByTailComment" value="true"/>
             <property name="allowNonPrintableEscapes" value="true"/>
         </module>
-        <module name="LineLength">
-            <property name="max" value="120"/>
-            <property name="ignorePattern" value="^package.*|^import.*|a href|href|http://|https://|ftp://"/>
-        </module>
         <module name="AvoidStarImport"/>
         <module name="OneTopLevelClass"/>
         <module name="NoLineWrap"/>
@@ -245,11 +258,8 @@
         <module name="JavadocMethod">
             <property name="scope" value="public"/>
             <property name="allowMissingParamTags" value="true"/>
-            <property name="allowMissingThrowsTags" value="true"/>
             <property name="allowMissingReturnTag" value="true"/>
-            <property name="minLineCount" value="2"/>
             <property name="allowedAnnotations" value="Override, Test"/>
-            <property name="allowThrowsTagsForSubclasses" value="true"/>
         </module>
         <module name="MethodName">
             <property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9_]*$"/>
@@ -262,6 +272,6 @@
         <module name="EmptyCatchBlock">
             <property name="exceptionVariableName" value="expected"/>
         </module>
-        <module name="CommentsIndentation"/>
+        <!-- <module name="CommentsIndentation"/> -->
     </module>
 </module>
diff --git a/settings.gradle b/settings.gradle
index 21faf72..48e3810 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1,3 +1 @@
-enableFeaturePreview('STABLE_PUBLISHING')
-
 rootProject.name = 'mobibot'