diff --git a/backend/pom.xml b/backend/pom.xml
index a4dfbe8c94..075ec4f387 100644
--- a/backend/pom.xml
+++ b/backend/pom.xml
@@ -14,7 +14,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <shiro.version>1.9.1</shiro.version>
-        <java.version>1.8</java.version>
+        <java.version>11</java.version>
         <graalvm.version>20.1.0</graalvm.version>
         <jwt.version>3.12.1</jwt.version>
         <buji.version>4.0.0</buji.version>
@@ -429,8 +429,8 @@
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
                 <configuration>
-                    <source>1.8</source>
-                    <target>1.8</target>
+                    <source>11</source>
+                    <target>11</target>
                 </configuration>
             </plugin>
             <!-- Overlay guacamole-common-js (zip) -->