diff --git a/11.0/apache/Dockerfile b/11.0/apache/Dockerfile
index 6d02588..47d6d37 100644
--- a/11.0/apache/Dockerfile
+++ b/11.0/apache/Dockerfile
@@ -6,6 +6,7 @@ RUN set -ex; \
     apt-get install -y --no-install-recommends \
         rsync \
         bzip2 \
+        busybox-static \
     ; \
 # install the PHP extensions we need
 # see https://docs.nextcloud.com/server/12/admin_manual/installation/source_installation.html
diff --git a/11.0/fpm/Dockerfile b/11.0/fpm/Dockerfile
index 5483acf..f336ac4 100644
--- a/11.0/fpm/Dockerfile
+++ b/11.0/fpm/Dockerfile
@@ -6,6 +6,7 @@ RUN set -ex; \
     apt-get install -y --no-install-recommends \
         rsync \
         bzip2 \
+        busybox-static \
     ; \
 # install the PHP extensions we need
 # see https://docs.nextcloud.com/server/12/admin_manual/installation/source_installation.html
diff --git a/12.0/apache/Dockerfile b/12.0/apache/Dockerfile
index d4edac2..72cdbb3 100644
--- a/12.0/apache/Dockerfile
+++ b/12.0/apache/Dockerfile
@@ -6,6 +6,7 @@ RUN set -ex; \
     apt-get install -y --no-install-recommends \
         rsync \
         bzip2 \
+        busybox-static \
     ; \
 # install the PHP extensions we need
 # see https://docs.nextcloud.com/server/12/admin_manual/installation/source_installation.html
diff --git a/12.0/fpm/Dockerfile b/12.0/fpm/Dockerfile
index 0bb92dd..7e45d56 100644
--- a/12.0/fpm/Dockerfile
+++ b/12.0/fpm/Dockerfile
@@ -6,6 +6,7 @@ RUN set -ex; \
     apt-get install -y --no-install-recommends \
         rsync \
         bzip2 \
+        busybox-static \
     ; \
 # install the PHP extensions we need
 # see https://docs.nextcloud.com/server/12/admin_manual/installation/source_installation.html
diff --git a/Dockerfile.template b/Dockerfile.template
index f0d8bc8..1d9bf3a 100644
--- a/Dockerfile.template
+++ b/Dockerfile.template
@@ -6,6 +6,7 @@ RUN set -ex; \
     apt-get install -y --no-install-recommends \
         rsync \
         bzip2 \
+        busybox-static \
     ; \
 # install the PHP extensions we need
 # see https://docs.nextcloud.com/server/12/admin_manual/installation/source_installation.html