diff --git a/.dockerignore b/.dockerignore
index 33be4b6ee1..bdcec2abbb 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -8,6 +8,8 @@
 build/
 */build/
 **/build/
+# ...but re-include the Quarkus runner-jar so docker/quarkus/Dockerfile can layer it on the base image
+!app/core/build/*-runner.jar
 out/
 target/
 **/target/