diff --git a/apache-thrift/pom.xml b/apache-thrift/pom.xml
index 6947cc71bc..b22364cb19 100644
--- a/apache-thrift/pom.xml
+++ b/apache-thrift/pom.xml
@@ -39,6 +39,7 @@
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>build-helper-maven-plugin</artifactId>
+                <version>${build-helper-maven-plugin.version}</version>
                 <executions>
                     <execution>
                         <phase>generate-sources</phase>
@@ -60,6 +61,7 @@
         <thrift.version>0.10.0</thrift.version>
         <maven-thrift.version>0.1.11</maven-thrift.version>
         <org.slf4j.slf4j-simple.version>1.7.12</org.slf4j.slf4j-simple.version>
+        <build-helper-maven-plugin.version>3.0.0</build-helper-maven-plugin.version>
     </properties>
 
 </project>
diff --git a/core-java-8/pom.xml b/core-java-8/pom.xml
index 7e3b8cb280..ed145af5d2 100644
--- a/core-java-8/pom.xml
+++ b/core-java-8/pom.xml
@@ -151,6 +151,7 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
+                <version>${spring-boot-maven-plugin.version}</version>
                 <executions>
                     <execution>
                         <goals>
@@ -184,6 +185,7 @@
         <avaitility.version>1.7.0</avaitility.version>
         <jmh-core.version>1.19</jmh-core.version>
         <jmh-generator.version>1.19</jmh-generator.version>
+        <spring-boot-maven-plugin.version>2.0.4.RELEASE</spring-boot-maven-plugin.version>
     </properties>
 
 </project>
\ No newline at end of file
diff --git a/core-java-io/pom.xml b/core-java-io/pom.xml
index 35bc43921c..bc71fb8838 100644
--- a/core-java-io/pom.xml
+++ b/core-java-io/pom.xml
@@ -183,6 +183,7 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
+                <version>${spring-boot-maven-plugin.version}</version>
                 <executions>
                     <execution>
                         <goals>
@@ -316,6 +317,7 @@
         <esapi.version>2.1.0.1</esapi.version>
         <jmh-generator-annprocess.version>1.19</jmh-generator-annprocess.version>
         <async-http-client.version>2.4.5</async-http-client.version>
+        <spring-boot-maven-plugin.version>2.0.4.RELEASE</spring-boot-maven-plugin.version>
     </properties>
 
 </project>
\ No newline at end of file
diff --git a/disruptor/pom.xml b/disruptor/pom.xml
index 6f3a8d9bfd..d3cef3bd9b 100644
--- a/disruptor/pom.xml
+++ b/disruptor/pom.xml
@@ -112,6 +112,7 @@
             <plugin>
                 <groupId>com.jolira</groupId>
                 <artifactId>onejar-maven-plugin</artifactId>
+                <version>${onejar-maven-plugin.version}</version>
                 <executions>
                     <execution>
                         <configuration>
@@ -138,6 +139,7 @@
         
         <maven-shade-plugin.version>2.4.3</maven-shade-plugin.version>
         <maven-jar-plugin.version>3.0.2</maven-jar-plugin.version>
+        <onejar-maven-plugin.version>1.4.4</onejar-maven-plugin.version>
     </properties>
 
 </project>
\ No newline at end of file
diff --git a/ethereum/pom.xml b/ethereum/pom.xml
index f07ed2c6a0..837ee2b19c 100644
--- a/ethereum/pom.xml
+++ b/ethereum/pom.xml
@@ -184,6 +184,7 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
+                <version>${spring-boot-maven-plugin.version}</version>
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
@@ -224,6 +225,7 @@
         <junit.version>4.12</junit.version>
         <logback.version>1.2.3</logback.version>
         <slf4j.version>1.7.25</slf4j.version>
+        <spring-boot-maven-plugin.version>2.0.4.RELEASE</spring-boot-maven-plugin.version>
     </properties>
 
 </project>
diff --git a/spring-boot-admin/spring-boot-admin-client/pom.xml b/spring-boot-admin/spring-boot-admin-client/pom.xml
index fcbbb11cd7..ea03d6ef6d 100644
--- a/spring-boot-admin/spring-boot-admin-client/pom.xml
+++ b/spring-boot-admin/spring-boot-admin-client/pom.xml
@@ -46,6 +46,7 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
+                <version>${spring-boot-maven-plugin.version}</version>
                 <executions>
                     <execution>
                         <goals>
@@ -59,6 +60,7 @@
 
     <properties>
         <spring-boot-admin-starter-client.version>1.5.4</spring-boot-admin-starter-client.version>
+        <spring-boot-maven-plugin.version>2.0.4.RELEASE</spring-boot-maven-plugin.version>
     </properties>
 
 </project>
diff --git a/spring-boot-admin/spring-boot-admin-server/pom.xml b/spring-boot-admin/spring-boot-admin-server/pom.xml
index 50228034c1..d8e7bb5574 100644
--- a/spring-boot-admin/spring-boot-admin-server/pom.xml
+++ b/spring-boot-admin/spring-boot-admin-server/pom.xml
@@ -76,6 +76,7 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
+                <version>${spring-boot-maven-plugin.version}</version>
             </plugin>
         </plugins>
     </build>
@@ -83,6 +84,7 @@
     <properties>
         <spring-boot-admin-server.version>1.5.4</spring-boot-admin-server.version>
         <spring-boot-admin-starter-client.version>1.5.4</spring-boot-admin-starter-client.version>
+        <spring-boot-maven-plugin.version>2.0.4.RELEASE</spring-boot-maven-plugin.version>
     </properties>
 
 </project>
diff --git a/spring-boot-persistence/pom.xml b/spring-boot-persistence/pom.xml
index 60e6689e31..a16d953581 100644
--- a/spring-boot-persistence/pom.xml
+++ b/spring-boot-persistence/pom.xml
@@ -1,53 +1,57 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
-    <artifactId>spring-boot-persistence</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
-    <packaging>jar</packaging>
-    <name>spring-boot-persistence</name>
-    <description>This is a simple Spring Data Repositories test</description>
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>com.baeldung</groupId>
+	<artifactId>spring-boot-persistence</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<packaging>jar</packaging>
+	<name>spring-boot-persistence</name>
+	<description>This is a simple Spring Data Repositories test</description>
 
-    <parent>
-        <artifactId>parent-boot-2</artifactId>
-        <groupId>com.baeldung</groupId>
-        <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../parent-boot-2</relativePath>
-    </parent>
+	<parent>
+		<artifactId>parent-boot-2</artifactId>
+		<groupId>com.baeldung</groupId>
+		<version>0.0.1-SNAPSHOT</version>
+		<relativePath>../parent-boot-2</relativePath>
+	</parent>
 
-    <dependencies>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-data-jpa</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>com.h2database</groupId>
-            <artifactId>h2</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter</artifactId>
-        </dependency>
-    </dependencies>
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-data-jpa</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>com.h2database</groupId>
+			<artifactId>h2</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter</artifactId>
+		</dependency>
+	</dependencies>
 
-    <build>
-        <finalName>spring-boot-persistence</finalName>
-        <resources>
-            <resource>
-                <directory>src/main/resources</directory>
-                <filtering>true</filtering>
-            </resource>
-        </resources>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-war-plugin</artifactId>
-            </plugin>
-            <plugin>
-                <groupId>pl.project13.maven</groupId>
-                <artifactId>git-commit-id-plugin</artifactId>
-            </plugin>
-        </plugins>
-    </build>
+	<build>
+		<finalName>spring-boot-persistence</finalName>
+		<resources>
+			<resource>
+				<directory>src/main/resources</directory>
+				<filtering>true</filtering>
+			</resource>
+		</resources>
+		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-war-plugin</artifactId>
+			</plugin>
+			<plugin>
+				<groupId>pl.project13.maven</groupId>
+				<artifactId>git-commit-id-plugin</artifactId>
+				<version>${git-commit-id-plugin.version}</version>
+			</plugin>
+		</plugins>
+	</build>
 
+	<properties>
+		<git-commit-id-plugin.version>2.2.4</git-commit-id-plugin.version>
+	</properties>
 </project>
\ No newline at end of file
diff --git a/spring-boot-security/pom.xml b/spring-boot-security/pom.xml
index 12f51eec94..5283a69c2d 100644
--- a/spring-boot-security/pom.xml
+++ b/spring-boot-security/pom.xml
@@ -67,12 +67,14 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
+                <version>${spring-boot-maven-plugin.version}</version>
             </plugin>
         </plugins>
     </build>
 
     <properties>
         <spring-boot.version>1.5.9.RELEASE</spring-boot.version>
+        <spring-boot-maven-plugin.version>2.0.4.RELEASE</spring-boot-maven-plugin.version>
     </properties>
 
 </project>
diff --git a/spring-boot/pom.xml b/spring-boot/pom.xml
index 3a43dbd828..0667a24416 100644
--- a/spring-boot/pom.xml
+++ b/spring-boot/pom.xml
@@ -176,6 +176,7 @@
             <plugin>
                 <groupId>pl.project13.maven</groupId>
                 <artifactId>git-commit-id-plugin</artifactId>
+                <version>${git-commit-id-plugin.version}</version>
             </plugin>
 
         </plugins>
@@ -230,6 +231,7 @@
         <graphql-java-tools.version>3.2.0</graphql-java-tools.version>
         <guava.version>18.0</guava.version>
 		<junit-platform.version>1.2.0</junit-platform.version>
+		<git-commit-id-plugin.version>2.2.4</git-commit-id-plugin.version>
     </properties>
 
 </project>
\ No newline at end of file
diff --git a/spring-mvc-java/pom.xml b/spring-mvc-java/pom.xml
index 068824eba0..83f2556fe0 100644
--- a/spring-mvc-java/pom.xml
+++ b/spring-mvc-java/pom.xml
@@ -163,6 +163,7 @@
 
             <plugin>
                 <artifactId>maven-resources-plugin</artifactId>
+                <version>${maven-resources-plugin.version}</version>
             </plugin>
 
             <plugin>
@@ -283,6 +284,7 @@
         <maven-war-plugin.version>2.6</maven-war-plugin.version>
         <maven-resources-plugin.version>2.7</maven-resources-plugin.version>
         <cargo-maven2-plugin.version>1.6.1</cargo-maven2-plugin.version>
+        <maven-resources-plugin.version>3.1.0</maven-resources-plugin.version>
 
         <!-- AspectJ -->
         <aspectj.version>1.8.9</aspectj.version>
diff --git a/spring-reactive-kotlin/pom.xml b/spring-reactive-kotlin/pom.xml
index f2f0dc58ec..2bac2d1961 100644
--- a/spring-reactive-kotlin/pom.xml
+++ b/spring-reactive-kotlin/pom.xml
@@ -12,15 +12,11 @@
 	<description>Demo project for Spring Boot</description>
 
 	<parent>
-        <artifactId>parent-boot-2</artifactId>
-        <groupId>com.baeldung</groupId>
-        <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../parent-boot-2</relativePath>
-    </parent>
-
-	<properties>
-		<kotlin.version>1.2.41</kotlin.version>
-	</properties>
+		<artifactId>parent-boot-2</artifactId>
+		<groupId>com.baeldung</groupId>
+		<version>0.0.1-SNAPSHOT</version>
+		<relativePath>../parent-boot-2</relativePath>
+	</parent>
 
 	<dependencies>
 		<dependency>
@@ -67,6 +63,7 @@
 			<plugin>
 				<artifactId>kotlin-maven-plugin</artifactId>
 				<groupId>org.jetbrains.kotlin</groupId>
+				<version>${kotlin-maven-plugin.version}</version>
 				<configuration>
 					<args>
 						<arg>-Xjsr305=strict</arg>
@@ -86,5 +83,8 @@
 		</plugins>
 	</build>
 
-
+	<properties>
+		<kotlin.version>1.2.41</kotlin.version>
+		<kotlin-maven-plugin.version>1.2.60</kotlin-maven-plugin.version>
+	</properties>
 </project>
diff --git a/spring-swagger-codegen/spring-swagger-codegen-app/pom.xml b/spring-swagger-codegen/spring-swagger-codegen-app/pom.xml
index ece534dc74..8e8c9f5e09 100644
--- a/spring-swagger-codegen/spring-swagger-codegen-app/pom.xml
+++ b/spring-swagger-codegen/spring-swagger-codegen-app/pom.xml
@@ -31,6 +31,7 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
+                <version>${spring-boot-maven-plugin.version}</version>
             </plugin>
         </plugins>
     </build>
@@ -39,6 +40,7 @@
         <java.version>1.8</java.version>
         <spring-swagger-codegen-api-client.version>0.0.1-SNAPSHOT</spring-swagger-codegen-api-client.version>
 		<spring.version>1.5.10.RELEASE</spring.version>
+		<spring-boot-maven-plugin.version>2.0.4.RELEASE</spring-boot-maven-plugin.version>
     </properties>
 
 </project>
\ No newline at end of file