diff --git a/api-tests/pom.xml b/api-tests/pom.xml
index a83439f0..8aa216a5 100644
--- a/api-tests/pom.xml
+++ b/api-tests/pom.xml
@@ -20,6 +20,7 @@
         <parallel.tests>4</parallel.tests>
         <webdriver.base.url/>
         <jackson.version>2.12.3</jackson.version>
+        <java.version>17</java.version>
 
         <!-- Set 'pact.broker.url' and 'pact.broker.token' -->
         <pact.broker.url/>
@@ -53,7 +54,7 @@
         <maven-checkstyle-plugin.version>3.1.2</maven-checkstyle-plugin.version>
         <maven-surefire-plugin.version>3.0.0-M5</maven-surefire-plugin.version>
         <maven-failsafe-plugin.version>3.0.0-M5</maven-failsafe-plugin.version>
-        <maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
+        <maven-compiler-plugin.version>3.11.0</maven-compiler-plugin.version>
         <pact.provider-plugin.version>4.3.2</pact.provider-plugin.version>
         <maven-pmd-plugin.version>3.15.0</maven-pmd-plugin.version>
         <findbugs-maven-plugin.version>3.0.5</findbugs-maven-plugin.version>
@@ -427,8 +428,8 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>${maven-compiler-plugin.version}</version>
                 <configuration>
-                    <source>11</source>
-                    <target>11</target>
+                    <encoding>UTF-8</encoding>
+                    <release>${java.version}</release>
                 </configuration>
             </plugin>
             <plugin>
diff --git a/java/Dockerfile b/java/Dockerfile
index 025d0303..fbd0eccf 100644
--- a/java/Dockerfile
+++ b/java/Dockerfile
@@ -1,4 +1,4 @@
-FROM azul/zulu-openjdk-alpine:11 as build
+FROM azul/zulu-openjdk-alpine:17.0.9 as build
 WORKDIR /workspace/app
 
 # Copy the m2 directory if it exists to re-use an external cache.
@@ -18,7 +18,7 @@ RUN ./mvnw dependency:go-offline --quiet\
 	&& ./mvnw clean package -Dmaven.default-test.skip=true -Dmaven.test.skip=true -DskipTests --no-transfer-progress --quiet\
   && mkdir -p extracted && java -Djarmode=layertools -jar target/*.jar extract --destination extracted
 
-FROM azul/zulu-openjdk-alpine:11-jre
+FROM azul/zulu-openjdk-alpine:17-jre
 
 VOLUME /tmp