diff --git a/pom.xml b/pom.xml
index 04d2cf5..5a1da7c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,10 +9,10 @@
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <netty.version>4.1.51.Final</netty.version>
-    <junit.version>4.13</junit.version>
-    <slf4j.version>1.7.30</slf4j.version>
-    <logback.version>1.2.3</logback.version>
+    <netty.version>4.1.94.Final</netty.version>
+    <junit.version>4.13.2</junit.version>
+    <slf4j.version>1.7.36</slf4j.version>
+    <logback.version>1.2.13</logback.version>
     <java.version>1.8</java.version>
   </properties>