diff --git a/0/jessie/Dockerfile b/0/jessie/Dockerfile
index 4d29c2e..1104346 100644
--- a/0/jessie/Dockerfile
+++ b/0/jessie/Dockerfile
@@ -50,7 +50,7 @@ RUN set -eux; \
 	echo "${sha256} *julia.tar.gz" | sha256sum -c -; \
 	\
 	export GNUPGHOME="$(mktemp -d)"; \
-	gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$JULIA_GPG"; \
+	gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$JULIA_GPG"; \
 	gpg --batch --verify julia.tar.gz.asc julia.tar.gz; \
 	command -v gpgconf > /dev/null && gpgconf --kill all; \
 	rm -rf "$GNUPGHOME" julia.tar.gz.asc; \
diff --git a/0/stretch/Dockerfile b/0/stretch/Dockerfile
index fdea0df..14b5629 100644
--- a/0/stretch/Dockerfile
+++ b/0/stretch/Dockerfile
@@ -50,7 +50,7 @@ RUN set -eux; \
 	echo "${sha256} *julia.tar.gz" | sha256sum -c -; \
 	\
 	export GNUPGHOME="$(mktemp -d)"; \
-	gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$JULIA_GPG"; \
+	gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$JULIA_GPG"; \
 	gpg --batch --verify julia.tar.gz.asc julia.tar.gz; \
 	command -v gpgconf > /dev/null && gpgconf --kill all; \
 	rm -rf "$GNUPGHOME" julia.tar.gz.asc; \
diff --git a/1.0/stretch/Dockerfile b/1.0/stretch/Dockerfile
index ae53012..46cbbb1 100644
--- a/1.0/stretch/Dockerfile
+++ b/1.0/stretch/Dockerfile
@@ -50,7 +50,7 @@ RUN set -eux; \
 	echo "${sha256} *julia.tar.gz" | sha256sum -c -; \
 	\
 	export GNUPGHOME="$(mktemp -d)"; \
-	gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$JULIA_GPG"; \
+	gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$JULIA_GPG"; \
 	gpg --batch --verify julia.tar.gz.asc julia.tar.gz; \
 	command -v gpgconf > /dev/null && gpgconf --kill all; \
 	rm -rf "$GNUPGHOME" julia.tar.gz.asc; \
diff --git a/Dockerfile-debian.template b/Dockerfile-debian.template
index f0dae80..281ec5c 100644
--- a/Dockerfile-debian.template
+++ b/Dockerfile-debian.template
@@ -43,7 +43,7 @@ RUN set -eux; \
 	echo "${sha256} *julia.tar.gz" | sha256sum -c -; \
 	\
 	export GNUPGHOME="$(mktemp -d)"; \
-	gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$JULIA_GPG"; \
+	gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$JULIA_GPG"; \
 	gpg --batch --verify julia.tar.gz.asc julia.tar.gz; \
 	command -v gpgconf > /dev/null && gpgconf --kill all; \
 	rm -rf "$GNUPGHOME" julia.tar.gz.asc; \