diff --git a/ci/images/docker-lib.sh b/ci/images/docker-lib.sh
index 6689357dfc9..579f02ca03a 100644
--- a/ci/images/docker-lib.sh
+++ b/ci/images/docker-lib.sh
@@ -1,4 +1,4 @@
-# Ref: https://github.com/concourse/docker-image-resource/blob/master/assets/common.sh
+# Based on: https://github.com/concourse/docker-image-resource/blob/master/assets/common.sh
 
 sanitize_cgroups() {
   mkdir -p /sys/fs/cgroup
@@ -86,4 +86,4 @@ stop_docker() {
 
   kill -TERM $pid
   wait $pid
-}
\ No newline at end of file
+}
diff --git a/ci/images/setup.sh b/ci/images/setup.sh
index 0b713baf2ce..5030ae27729 100755
--- a/ci/images/setup.sh
+++ b/ci/images/setup.sh
@@ -52,5 +52,3 @@ curl -L https://github.com/progrium/entrykit/releases/download/v${ENTRYKIT_VERSI
 chmod +x entrykit && \
 mv entrykit /bin/entrykit && \
 entrykit --symlink
-
-curl https://raw.githubusercontent.com/concourse/docker-image-resource/v1.0.0/assets/common.sh > /docker-lib.sh
diff --git a/ci/images/spring-boot-ci-image/Dockerfile b/ci/images/spring-boot-ci-image/Dockerfile
index 51557fad0f5..8367030419d 100644
--- a/ci/images/spring-boot-ci-image/Dockerfile
+++ b/ci/images/spring-boot-ci-image/Dockerfile
@@ -5,5 +5,6 @@ RUN ./setup.sh java8
 
 ENV JAVA_HOME /opt/openjdk
 ENV PATH $JAVA_HOME/bin:$PATH
+ADD docker-lib.sh /docker-lib.sh
 
 ENTRYPOINT [ "switch", "shell=/bin/bash", "--", "codep", "/bin/docker daemon" ]
diff --git a/ci/images/spring-boot-jdk10-ci-image/Dockerfile b/ci/images/spring-boot-jdk10-ci-image/Dockerfile
index e96eb65961a..fd74cb22740 100644
--- a/ci/images/spring-boot-jdk10-ci-image/Dockerfile
+++ b/ci/images/spring-boot-jdk10-ci-image/Dockerfile
@@ -5,5 +5,6 @@ RUN ./setup.sh java10
 
 ENV JAVA_HOME /opt/openjdk
 ENV PATH $JAVA_HOME/bin:$PATH
+ADD docker-lib.sh /docker-lib.sh
 
 ENTRYPOINT [ "switch", "shell=/bin/bash", "--", "codep", "/bin/docker daemon" ]
diff --git a/ci/images/spring-boot-jdk9-ci-image/Dockerfile b/ci/images/spring-boot-jdk9-ci-image/Dockerfile
index b1a23e2560d..183720cdc06 100644
--- a/ci/images/spring-boot-jdk9-ci-image/Dockerfile
+++ b/ci/images/spring-boot-jdk9-ci-image/Dockerfile
@@ -5,5 +5,6 @@ RUN ./setup.sh java9
 
 ENV JAVA_HOME /opt/openjdk
 ENV PATH $JAVA_HOME/bin:$PATH
+ADD docker-lib.sh /docker-lib.sh
 
 ENTRYPOINT [ "switch", "shell=/bin/bash", "--", "codep", "/bin/docker daemon" ]