diff --git a/.github/workflows/analysis.yml b/.github/workflows/analysis.yml
index b9455fa..d096471 100644
--- a/.github/workflows/analysis.yml
+++ b/.github/workflows/analysis.yml
@@ -63,7 +63,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: "temurin"
-          java-version: "21"
+          java-version: "23"
       - name: Cache local Maven repository
         uses: actions/cache@v4
         with:
diff --git a/backend-java/Dockerfile b/backend-java/Dockerfile
index 6d3c292..5beda53 100644
--- a/backend-java/Dockerfile
+++ b/backend-java/Dockerfile
@@ -2,7 +2,7 @@
 # https://github.com/quarkusio/quarkus-images
 
 # "Provides the native-image executable. Used by the Maven and Gradle plugin from Quarkus to build linux64 executables"
-FROM quay.io/quarkus/ubi-quarkus-graalvmce-builder-image:jdk-21 AS build
+FROM quay.io/quarkus/ubi-quarkus-graalvmce-builder-image:jdk-23 AS build
 
 # Image defaults to /project; copy controlled by .dockerignore
 COPY --chown=quarkus:quarkus . ./
diff --git a/backend-java/pom.xml b/backend-java/pom.xml
index 8680785..009da76 100644
--- a/backend-java/pom.xml
+++ b/backend-java/pom.xml
@@ -7,7 +7,7 @@
   <version>1.0.0-SNAPSHOT</version>
   <properties>
     <compiler-plugin.version>3.13.0</compiler-plugin.version>
-    <maven.compiler.release>21</maven.compiler.release>
+    <maven.compiler.release>23</maven.compiler.release>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
     <quarkus.platform.artifact-id>quarkus-bom</quarkus.platform.artifact-id>