diff --git a/bootstrap/pom.xml b/bootstrap/pom.xml
index 96c4a83ac..acc6aa970 100644
--- a/bootstrap/pom.xml
+++ b/bootstrap/pom.xml
@@ -40,7 +40,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-jar-plugin</artifactId>
-                <version>3.0.2</version>
+                <version>3.2.0</version>
                 <configuration>
                     <archive>
                         <manifestEntries>
@@ -54,7 +54,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
-                <version>3.0.0</version>
+                <version>3.2.1</version>
                 <executions>
                     <execution>
                         <phase>package</phase>
diff --git a/config/pom.xml b/config/pom.xml
index 24b6ce1cb..83c366916 100644
--- a/config/pom.xml
+++ b/config/pom.xml
@@ -22,7 +22,7 @@
         <dependency>
             <groupId>org.yaml</groupId>
             <artifactId>snakeyaml</artifactId>
-            <version>1.23</version>
+            <version>1.25</version>
             <scope>compile</scope>
         </dependency>
     </dependencies>
diff --git a/pom.xml b/pom.xml
index 9fe06ace0..27d46c414 100644
--- a/pom.xml
+++ b/pom.xml
@@ -67,7 +67,7 @@
 
     <properties>
         <build.number>unknown</build.number>
-        <netty.version>4.1.34.Final</netty.version>
+        <netty.version>4.1.43.Final</netty.version>
         <maven.compiler.source>1.7</maven.compiler.source>
         <maven.compiler.target>1.7</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
@@ -95,7 +95,7 @@
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
-            <version>1.18.4</version>
+            <version>1.18.10</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
@@ -121,7 +121,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-checkstyle-plugin</artifactId>
-                <version>3.0.0</version>
+                <version>3.1.0</version>
                 <executions>
                     <execution>
                         <phase>process-classes</phase>
@@ -139,14 +139,14 @@
                     <dependency>
                         <groupId>com.puppycrawl.tools</groupId>
                         <artifactId>checkstyle</artifactId>
-                        <version>8.19</version>
+                        <version>8.27</version>
                     </dependency>
                 </dependencies>
             </plugin>
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>animal-sniffer-maven-plugin</artifactId>
-                <version>1.16</version>
+                <version>1.18</version>
                 <executions>
                     <execution>
                         <phase>process-classes</phase>
diff --git a/proxy/pom.xml b/proxy/pom.xml
index 50fb11be7..c6bb8fe38 100644
--- a/proxy/pom.xml
+++ b/proxy/pom.xml
@@ -93,7 +93,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.47</version>
+            <version>5.1.48</version>
             <scope>runtime</scope>
         </dependency>
     </dependencies>