diff --git a/Dockerfile b/Dockerfile
index 9922b5f..d7a546a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,6 +5,7 @@ COPY src ./src
 RUN mvn clean package -T12
 
 FROM openjdk:17.0.1-jdk-slim
+RUN java --version
 WORKDIR /usr/local/app
 COPY --from=builder /app/target/LicenseServer.jar .
 EXPOSE 7500