diff --git a/CHANGELOG b/CHANGELOG
index c74deb4..ef8fa5e 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,21 @@
 CHANGELOG
 =========
 
+3.3.0
+-----
+
+* Upgrade spring boot to 1.5.4
+* Upgrade platform to Brussels-SR3
+* Upgrade checkstyle to 8.0
+* Upgrade immutables to 2.5.6
+* Upgrade mockito to 2.8.47
+* Upgrade sevntu to 1.24.1
+* Enable rule: EmptyPublicCtorInClass
+* Enable rule: WhiteSpaceBeforeArrayInitializer
+* Enable rule: FinalizeImplementation
+* Enable rule: AvoidDefaultSerializableInInnerClass
+
+
 3.2.0
 -----
 
diff --git a/builder/pom.xml b/builder/pom.xml
index db2a912..3e57205 100644
--- a/builder/pom.xml
+++ b/builder/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.kemitix</groupId>
         <artifactId>kemitix-checkstyle-ruleset-parent</artifactId>
-        <version>3.3.0-SNAPSHOT</version>
+        <version>3.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>kemitix-checkstyle-ruleset-builder</artifactId>
diff --git a/plugin/pom.xml b/plugin/pom.xml
index a347d8d..78fc434 100644
--- a/plugin/pom.xml
+++ b/plugin/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.kemitix</groupId>
         <artifactId>kemitix-checkstyle-ruleset-parent</artifactId>
-        <version>3.3.0-SNAPSHOT</version>
+        <version>3.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>kemitix-checkstyle-ruleset-maven-plugin</artifactId>
diff --git a/pom.xml b/pom.xml
index 2c42c6f..0510099 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
     </parent>
 
     <artifactId>kemitix-checkstyle-ruleset-parent</artifactId>
-    <version>3.3.0-SNAPSHOT</version>
+    <version>3.4.0-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>Kemitix Checkstyle :: Ruleset :: Parent</name>
@@ -27,7 +27,7 @@
         <mapstream.version>2.3.5</mapstream.version>
         <map-builder.version>1.0.0</map-builder.version>
         <coveralls-maven-plugin.version>4.3.0</coveralls-maven-plugin.version>
-        <immutables-value.version>2.5.4</immutables-value.version>
+        <immutables-value.version>2.5.6</immutables-value.version>
 
         <mockito.version>2.8.47</mockito.version>
         <assertj.version>3.8.0</assertj.version>
diff --git a/regressions/pom.xml b/regressions/pom.xml
index 4ed33ba..2213e86 100644
--- a/regressions/pom.xml
+++ b/regressions/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>net.kemitix</groupId>
         <artifactId>kemitix-checkstyle-ruleset-parent</artifactId>
-        <version>3.3.0-SNAPSHOT</version>
+        <version>3.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>kemitix-checkstyle-ruleset-regressions</artifactId>
diff --git a/ruleset/pom.xml b/ruleset/pom.xml
index c36eef9..bed0366 100644
--- a/ruleset/pom.xml
+++ b/ruleset/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.kemitix</groupId>
         <artifactId>kemitix-checkstyle-ruleset-parent</artifactId>
-        <version>3.3.0-SNAPSHOT</version>
+        <version>3.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>kemitix-checkstyle-ruleset</artifactId>