diff --git a/airsonic-main/pom.xml b/airsonic-main/pom.xml
index f64b7576..f13fde9c 100755
--- a/airsonic-main/pom.xml
+++ b/airsonic-main/pom.xml
@@ -176,7 +176,6 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>18.0</version>
         </dependency>
 
         <dependency>
diff --git a/pom.xml b/pom.xml
index 2dcd4e7b..dcb5b952 100644
--- a/pom.xml
+++ b/pom.xml
@@ -131,7 +131,7 @@
             <dependency>
                 <groupId>com.google.guava</groupId>
                 <artifactId>guava</artifactId>
-                <version>20.0</version>
+                <version>27.0-jre</version>
             </dependency>
         </dependencies>
     </dependencyManagement>