diff --git a/api/pom.xml b/api/pom.xml
index aff963d3..a502e8c3 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -52,7 +52,7 @@
         <dependency>
             <groupId>org.yaml</groupId>
             <artifactId>snakeyaml</artifactId>
-            <version>1.26</version>
+            <version>1.27</version>
             <scope>compile</scope>
         </dependency>
     </dependencies>
diff --git a/config/pom.xml b/config/pom.xml
index 298a80ef..bfb82d52 100644
--- a/config/pom.xml
+++ b/config/pom.xml
@@ -29,7 +29,7 @@
         <dependency>
             <groupId>org.yaml</groupId>
             <artifactId>snakeyaml</artifactId>
-            <version>1.26</version>
+            <version>1.27</version>
             <scope>compile</scope>
             <optional>true</optional>
         </dependency>
diff --git a/pom.xml b/pom.xml
index 36906a1e..b077a506 100644
--- a/pom.xml
+++ b/pom.xml
@@ -71,7 +71,7 @@
 
     <properties>
         <build.number>unknown</build.number>
-        <netty.version>4.1.53.Final</netty.version>
+        <netty.version>4.1.58.Final</netty.version>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/proxy/pom.xml b/proxy/pom.xml
index d2cdf733..9f663469 100644
--- a/proxy/pom.xml
+++ b/proxy/pom.xml
@@ -88,7 +88,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.48</version>
+            <version>5.1.49</version>
             <scope>runtime</scope>
         </dependency>
     </dependencies>