diff --git a/pom.xml b/pom.xml
index 267ca86284..543e360388 100644
--- a/pom.xml
+++ b/pom.xml
@@ -515,7 +515,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-assembly-plugin</artifactId>
-                        <version>3.0.0</version>
+                        <version>3.1.1</version>
                         <executions>
                             <execution>
                                 <id>src</id>
@@ -551,7 +551,7 @@
                     <plugin>
                         <groupId>net.ju-n.maven.plugins</groupId>
                         <artifactId>checksum-maven-plugin</artifactId>
-                        <version>1.4</version>
+                        <version>1.8</version>
                         <configuration>
                             <algorithms>
                                 <algorithm>MD5</algorithm>
@@ -817,7 +817,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-assembly-plugin</artifactId>
-                        <version>3.1.0</version>
+                        <version>3.1.1</version>
                         <executions>
                             <execution>
                                 <id>docs</id>
@@ -855,7 +855,7 @@
             <extension>
                 <groupId>kr.motd.maven</groupId>
                 <artifactId>os-maven-plugin</artifactId>
-                <version>1.6.0</version>
+                <version>1.6.2</version>
             </extension>
         </extensions>
 
@@ -864,7 +864,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.8.0</version>
+                <version>3.8.1</version>
                 <configuration>
                     <compilerArgument>-Xlint:all,-deprecation,-unchecked</compilerArgument>
                     <testCompilerArgument>-Xlint:none</testCompilerArgument>
@@ -878,7 +878,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>${mockito.version}</version>
+                <version>2.22.2</version>
                 <configuration>
                     <systemProperties>
                         <io.netty.eventLoopThreads>4</io.netty.eventLoopThreads>
@@ -896,7 +896,7 @@
                     <dependency>
                         <groupId>org.apache.maven.surefire</groupId>
                         <artifactId>surefire-junit-platform</artifactId>
-                        <version>${mockito.version}</version>
+                        <version>2.22.2</version>
                     </dependency>
                 </dependencies>
             </plugin>
@@ -904,7 +904,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-failsafe-plugin</artifactId>
-                <version>${mockito.version}</version>
+                <version>2.22.2</version>
                 <configuration>
                     <systemProperties>
                         <io.netty.eventLoopThreads>4</io.netty.eventLoopThreads>
@@ -921,7 +921,7 @@
                     <dependency>
                         <groupId>org.apache.maven.surefire</groupId>
                         <artifactId>surefire-junit-platform</artifactId>
-                        <version>${mockito.version}</version>
+                        <version>2.22.2</version>
                     </dependency>
                 </dependencies>
 
@@ -964,7 +964,7 @@
             <plugin>
                 <groupId>org.jacoco</groupId>
                 <artifactId>jacoco-maven-plugin</artifactId>
-                <version>0.8.2</version>
+                <version>0.8.4</version>
                 <executions>
                     <execution>
                         <id>prepare-agent</id>