diff --git a/ci/images/spring-boot-ci-image/Dockerfile b/ci/images/spring-boot-ci-image/Dockerfile
index 654b1110c80..5b5fee92ee0 100644
--- a/ci/images/spring-boot-ci-image/Dockerfile
+++ b/ci/images/spring-boot-ci-image/Dockerfile
@@ -23,7 +23,7 @@ RUN curl -L https://github.com/progrium/entrykit/releases/download/v${ENTRYKIT_V
     mv entrykit /bin/entrykit && \
     entrykit --symlink
 
-COPY ../docker-lib.sh /docker-lib.sh
+ADD https://github.com/spring-projects/spring-boot/blob/master/ci/images/docker-lib.sh /docker-lib.sh
 
 ENTRYPOINT [ \
 	"switch", \
diff --git a/ci/images/spring-boot-jdk9-ci-image/Dockerfile b/ci/images/spring-boot-jdk9-ci-image/Dockerfile
index 9403fe4676a..fb9d11ddd95 100644
--- a/ci/images/spring-boot-jdk9-ci-image/Dockerfile
+++ b/ci/images/spring-boot-jdk9-ci-image/Dockerfile
@@ -23,7 +23,7 @@ RUN curl -L https://github.com/progrium/entrykit/releases/download/v${ENTRYKIT_V
     mv entrykit /bin/entrykit && \
     entrykit --symlink
 
-COPY ../docker-lib.sh /docker-lib.sh
+ADD https://github.com/spring-projects/spring-boot/blob/master/ci/images/docker-lib.sh /docker-lib.sh
 
 ENTRYPOINT [ \
 	"switch", \