diff --git a/r2dbc/boot-reactive-cache/Dockerfile b/r2dbc/boot-reactive-cache/Dockerfile
index 890d935fb..ad86a4213 100644
--- a/r2dbc/boot-reactive-cache/Dockerfile
+++ b/r2dbc/boot-reactive-cache/Dockerfile
@@ -1,12 +1,12 @@
-FROM eclipse-temurin:17.0.11_9-jre-focal as builder
-WORKDIR application
+FROM eclipse-temurin:21.0.4_7-jre-alpine as builder
+WORKDIR /application
 ARG JAR_FILE=target/boot-reactive-cache-0.0.1-SNAPSHOT.jar
 COPY ${JAR_FILE} application.jar
 RUN java -Djarmode=layertools -jar application.jar extract
 
 # the second stage of our build will copy the extracted layers
-FROM eclipse-temurin:17.0.11_9-jre-focal
-WORKDIR application
+FROM eclipse-temurin:21.0.4_7-jre-alpine
+WORKDIR /application
 COPY --from=builder application/dependencies/ ./
 COPY --from=builder application/spring-boot-loader/ ./
 COPY --from=builder application/snapshot-dependencies/ ./