diff --git a/pom.xml b/pom.xml
index b00489a..32743d8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -69,7 +69,7 @@
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
-            <version>1.16.16</version>
+            <version>1.18.12</version>
             <scope>provided</scope>
         </dependency>
 
@@ -117,7 +117,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>20.0</version>
+            <version>27.1-jre</version>
         </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
@@ -204,7 +204,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-compiler-plugin</artifactId>
-                    <version>3.7.0</version>
+                    <version>3.8.1</version>
                     <configuration>
                         <source>1.8</source>
                         <target>1.8</target>