diff --git a/executor/pom.xml b/executor/pom.xml
index e8953c0..bde7180 100644
--- a/executor/pom.xml
+++ b/executor/pom.xml
@@ -41,6 +41,7 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
+                <version>2.3.4.RELEASE</version>
                 <executions>
                     <execution>
                         <goals>
diff --git a/reader/pom.xml b/reader/pom.xml
index 270b283..847d944 100644
--- a/reader/pom.xml
+++ b/reader/pom.xml
@@ -37,6 +37,7 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
+                <version>2.3.4.RELEASE</version>
                 <executions>
                     <execution>
                         <goals>
diff --git a/writer/pom.xml b/writer/pom.xml
index f2da6fe..44f70f3 100644
--- a/writer/pom.xml
+++ b/writer/pom.xml
@@ -39,6 +39,7 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
+                <version>2.3.4.RELEASE</version>
                 <executions>
                     <execution>
                         <goals>