diff --git a/Dockerfile b/Dockerfile
index f59df0a62b116e9885a975fac64e157a3eb7ab08..0a9993ec8c2d8ff083599f004ca3d34f1d873859 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -38,7 +38,7 @@ RUN echo 'hosts: files dns' > /etc/nsswitch.conf && \
       *) echo >&2 "error: unsupported architecture ($apkArch)"; exit 1 ;;\
     esac && \
     \
-    apk add --no-cache ca-certificates curl openssl && \
+    apk add --no-cache ca-certificates curl openssl gettext && \
     \
     if ! curl -fSL -o docker.tgz "https://download.docker.com/linux/static/${DOCKER_CHANNEL}/${dockerArch}/docker-${DOCKER_VERSION}.tgz"; then \
       echo >&2 "error: failed to download 'docker-${DOCKER_VERSION}' from '${DOCKER_CHANNEL}' for '${dockerArch}'"; \