diff --git a/Dockerfile b/Dockerfile
index c75bf24..adcd7c1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM openjdk:24-jdk as builder
+FROM ibm-semeru-runtimes:open-21-jdk as builder
 MAINTAINER William Brawner <me@wbrawner.com>
 
 RUN groupadd --system --gid 1000 gradle \
@@ -8,10 +8,10 @@ COPY --chown=gradle:gradle . /home/gradle/src
 WORKDIR /home/gradle/src
 RUN /home/gradle/src/gradlew --console=plain --no-daemon shadowJar
 
-FROM openjdk:24-slim
+FROM ibm-semeru-runtimes:open-21-jre
 EXPOSE 8080
 RUN groupadd --system --gid 1000 twigs \
     && useradd --system --gid twigs --uid 1000 --create-home twigs
 COPY --from=builder --chown=twigs:twigs /home/gradle/src/app/build/libs/twigs.jar twigs.jar
 USER twigs
-CMD /usr/local/openjdk-17/bin/java $JVM_ARGS -jar /twigs.jar
+CMD /opt/java/openjdk/bin/java $JVM_ARGS -jar /twigs.jar