diff --git a/pom.xml b/pom.xml
index 901c4ca..0c43d01 100644
--- a/pom.xml
+++ b/pom.xml
@@ -12,11 +12,10 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <jetty.version>9.4.26.v20200117</jetty.version>
+        <jetty.version>9.4.48.v20220622</jetty.version>
     </properties>
     
     <dependencies>
-        
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>javax.servlet-api</artifactId>
@@ -40,12 +39,12 @@
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
-            <version>1.7.6</version>
+            <version>1.7.36</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-log4j12</artifactId>
-            <version>1.7.6</version>
+            <version>1.7.36</version>
         </dependency>
         <dependency>
             <groupId>com.h2database</groupId>
@@ -90,7 +89,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>8.0.16</version>
+            <version>8.0.30</version>
         </dependency>
         <dependency>
             <groupId>freemarker</groupId>