diff --git a/pom.xml b/pom.xml
index 2677413..1e0a85c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -41,11 +41,9 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <kemitix.build.directory>target</kemitix.build.directory>
-        <kemitix-checkstyle-ruleset.version>3.1.0</kemitix-checkstyle-ruleset.version>
+        <kemitix-checkstyle-ruleset.version>3.3.0</kemitix-checkstyle-ruleset.version>
         <kemitix-checkstyle-ruleset.level>5-complexity</kemitix-checkstyle-ruleset.level>
-
-        <lombok.version>1.16.16</lombok.version>
-
+        <lombok.version>1.16.18</lombok.version>
         <digraph-dependency.version>0.9.0</digraph-dependency.version>
         <digraph-dependency.basePackage>net.kemitix</digraph-dependency.basePackage>
 
@@ -225,17 +223,17 @@
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-clean-plugin</artifactId>
                 <version>${maven-clean-plugin.version}</version>
-            </plugin>
+            </plugin><!-- maven-clean-plugin -->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-install-plugin</artifactId>
                 <version>${maven-install-plugin.version}</version>
-            </plugin>
+            </plugin><!-- maven-install-plugin -->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-site-plugin</artifactId>
                 <version>${maven-site-plugin.version}</version>
-            </plugin>
+            </plugin><!-- maven-site-plugin -->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
@@ -251,13 +249,11 @@
                     <encoding>${project.build.sourceEncoding}</encoding>
                 </configuration>
             </plugin><!-- maven-compiler-plugin -->
-
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
                 <version>${maven-surefire-plugin.version}</version>
             </plugin><!-- maven-surefire-plugin -->
-
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-failsafe-plugin</artifactId>
@@ -277,7 +273,6 @@
                     </execution>
                 </executions>
             </plugin><!-- maven-failsafe-plugin -->
-
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-pmd-plugin</artifactId>
@@ -299,7 +294,6 @@
                     </execution>
                 </executions>
             </plugin><!-- maven-pmd-plugin -->
-
             <plugin>
                 <groupId>one.util</groupId>
                 <artifactId>huntbugs-maven-plugin</artifactId>
@@ -313,7 +307,6 @@
                     </execution>
                 </executions>
             </plugin><!-- huntbugs-maven-plugin -->
-
             <plugin>
                 <groupId>org.jacoco</groupId>
                 <artifactId>jacoco-maven-plugin</artifactId>
@@ -371,7 +364,6 @@
                     </rules>
                 </configuration>
             </plugin><!-- jacoco-maven-plugin -->
-
             <plugin>
                 <groupId>org.pitest</groupId>
                 <artifactId>highwheel-maven</artifactId>
@@ -385,7 +377,6 @@
                     </execution>
                 </executions>
             </plugin><!-- highwheel-maven -->
-
             <plugin>
                 <groupId>org.pitest</groupId>
                 <artifactId>pitest-maven</artifactId>
@@ -432,7 +423,6 @@
                 <artifactId>jacoco-maven-plugin</artifactId>
                 <version>${jacoco-maven-plugin.version}</version>
             </plugin><!-- jacoco-maven-plugin -->
-
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-pmd-plugin</artifactId>