diff --git a/apollo-backend/pom.xml b/apollo-backend/pom.xml
index d0aac25d..d94480d2 100644
--- a/apollo-backend/pom.xml
+++ b/apollo-backend/pom.xml
@@ -56,7 +56,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>23.0</version>
+            <version>r03</version>
         </dependency>
         <dependency>
             <groupId>ch.qos.logback</groupId>
@@ -145,7 +145,7 @@
         <dependency>
             <groupId>org.eclipse.jetty.websocket</groupId>
             <artifactId>javax-websocket-server-impl</artifactId>
-            <version>9.4.5.v20170502</version>
+            <version>9.4.33.v20201020</version>
         </dependency>
         <dependency>
             <groupId>com.google.inject</groupId>
@@ -170,7 +170,7 @@
         <dependency>
             <groupId>com.github.spullara.mustache.java</groupId>
             <artifactId>compiler</artifactId>
-            <version>0.8.12</version>
+            <version>0.9.0</version>
         </dependency>
         <dependency>
             <groupId>org.conf4j</groupId>