diff --git a/containers/dind/Dockerfile b/containers/dind/Dockerfile
index bfd03f61f0f6ce37439f02568a1dc24e99bf3710..e6a7a97a8ba3b8d41ee3d7e609c0fdd402939e74 100644
--- a/containers/dind/Dockerfile
+++ b/containers/dind/Dockerfile
@@ -54,8 +54,7 @@ ADD https://get.docker.com/ /tmp/get-docker.sh
 RUN bash /tmp/get-docker.sh --version ${DOCKER_VERSION}
 
 # Install the magic wrapper.
-ADD ./wrapdocker /usr/local/bin/wrapdocker
-RUN chmod +x /usr/local/bin/wrapdocker
+ADD --chmod=0755 wrapdocker /usr/local/bin/wrapdocker
 
 # Define additional metadata for our image.
 VOLUME /var/lib/docker
diff --git a/containers/jug/dev.Dockerfile b/containers/jug/dev.Dockerfile
index 4b0c8f8ee9f5eef4f4b2bf966092396773d419c8..3cfd615aec28bf9a2565241469774fc38f069b39 100644
--- a/containers/jug/dev.Dockerfile
+++ b/containers/jug/dev.Dockerfile
@@ -193,14 +193,13 @@ COPY profile.d/z11_jug_env.sh /etc/profile.d
 COPY singularity.d /.singularity.d
 
 ## Add minio client into /usr/local/bin
-ADD https://dl.min.io/client/mc/release/linux-amd64/mc /usr/local/bin/mc-amd64
-ADD https://dl.min.io/client/mc/release/linux-arm64/mc /usr/local/bin/mc-arm64
+ADD --chmod=0755 https://dl.min.io/client/mc/release/linux-amd64/mc /usr/local/bin/mc-amd64
+ADD --chmod=0755 https://dl.min.io/client/mc/release/linux-arm64/mc /usr/local/bin/mc-arm64
 RUN declare -A target=(                                                 \
       ["linux/amd64"]="amd64"                                           \
       ["linux/arm64"]="arm64"                                           \
     )                                                                   \
  && mv /usr/local/bin/mc-${target[${TARGETPLATFORM}]} /usr/local/bin/mc \
- && chmod a+x /usr/local/bin/mc                                         \
  && unset target[${TARGETPLATFORM}]                                     \
  && for t in ${target[*]} ; do                                          \
       rm /usr/local/bin/mc-${t} ;                                       \