diff --git a/pom.xml b/pom.xml
index 5b16a10..2677413 100644
--- a/pom.xml
+++ b/pom.xml
@@ -49,6 +49,9 @@
         <digraph-dependency.version>0.9.0</digraph-dependency.version>
         <digraph-dependency.basePackage>net.kemitix</digraph-dependency.basePackage>
 
+        <maven-clean-plugin.version>3.0.0</maven-clean-plugin.version>
+        <maven-install-plugin.version>2.5.2</maven-install-plugin.version>
+        <maven-site-plugin.version>3.6</maven-site-plugin.version>
         <maven-javadoc-plugin.version>2.10.4</maven-javadoc-plugin.version>
         <maven-source-plugin.version>3.0.1</maven-source-plugin.version>
         <maven-gpg-plugin.version>1.6</maven-gpg-plugin.version>
@@ -71,8 +74,7 @@
         <pitest.mutation>0</pitest.mutation>
         <pitest.skip>false</pitest.skip>
         <pitest.failWhenNoMutations>true</pitest.failWhenNoMutations>
-
-	<versions.version>2.4</versions.version>
+        <versions.version>2.4</versions.version>
     </properties>
 
     <developers>
@@ -219,6 +221,21 @@
                     </execution>
                 </executions>
             </plugin><!-- digraph-dependency-maven-plugin -->
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-clean-plugin</artifactId>
+                <version>${maven-clean-plugin.version}</version>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-install-plugin</artifactId>
+                <version>${maven-install-plugin.version}</version>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-site-plugin</artifactId>
+                <version>${maven-site-plugin.version}</version>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>