diff --git a/3.0/Dockerfile b/3.0/Dockerfile
index 0bea58c..c5fdcdd 100644
--- a/3.0/Dockerfile
+++ b/3.0/Dockerfile
@@ -46,7 +46,7 @@ RUN set -ex; \
 	fi; \
 	\
 	export GNUPGHOME="$(mktemp -d)"; \
-	gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$_BASH_GPG_KEY"; \
+	gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$_BASH_GPG_KEY"; \
 	gpg --batch --verify bash.tar.gz.sig bash.tar.gz; \
 	gpgconf --kill all; \
 	rm bash.tar.gz.sig; \
diff --git a/3.1/Dockerfile b/3.1/Dockerfile
index 2a55006..53c4d9c 100644
--- a/3.1/Dockerfile
+++ b/3.1/Dockerfile
@@ -46,7 +46,7 @@ RUN set -ex; \
 	fi; \
 	\
 	export GNUPGHOME="$(mktemp -d)"; \
-	gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$_BASH_GPG_KEY"; \
+	gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$_BASH_GPG_KEY"; \
 	gpg --batch --verify bash.tar.gz.sig bash.tar.gz; \
 	gpgconf --kill all; \
 	rm bash.tar.gz.sig; \
diff --git a/3.2/Dockerfile b/3.2/Dockerfile
index 39f3540..c5bf97e 100644
--- a/3.2/Dockerfile
+++ b/3.2/Dockerfile
@@ -46,7 +46,7 @@ RUN set -ex; \
 	fi; \
 	\
 	export GNUPGHOME="$(mktemp -d)"; \
-	gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$_BASH_GPG_KEY"; \
+	gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$_BASH_GPG_KEY"; \
 	gpg --batch --verify bash.tar.gz.sig bash.tar.gz; \
 	gpgconf --kill all; \
 	rm bash.tar.gz.sig; \
diff --git a/4.0/Dockerfile b/4.0/Dockerfile
index f33a170..900451a 100644
--- a/4.0/Dockerfile
+++ b/4.0/Dockerfile
@@ -47,7 +47,7 @@ RUN set -ex; \
 	fi; \
 	\
 	export GNUPGHOME="$(mktemp -d)"; \
-	gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$_BASH_GPG_KEY"; \
+	gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$_BASH_GPG_KEY"; \
 	gpg --batch --verify bash.tar.gz.sig bash.tar.gz; \
 	gpgconf --kill all; \
 	rm bash.tar.gz.sig; \
diff --git a/4.1/Dockerfile b/4.1/Dockerfile
index f99b387..c5e241a 100644
--- a/4.1/Dockerfile
+++ b/4.1/Dockerfile
@@ -46,7 +46,7 @@ RUN set -ex; \
 	fi; \
 	\
 	export GNUPGHOME="$(mktemp -d)"; \
-	gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$_BASH_GPG_KEY"; \
+	gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$_BASH_GPG_KEY"; \
 	gpg --batch --verify bash.tar.gz.sig bash.tar.gz; \
 	gpgconf --kill all; \
 	rm bash.tar.gz.sig; \
diff --git a/4.2/Dockerfile b/4.2/Dockerfile
index 9d27832..c41c04b 100644
--- a/4.2/Dockerfile
+++ b/4.2/Dockerfile
@@ -46,7 +46,7 @@ RUN set -ex; \
 	fi; \
 	\
 	export GNUPGHOME="$(mktemp -d)"; \
-	gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$_BASH_GPG_KEY"; \
+	gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$_BASH_GPG_KEY"; \
 	gpg --batch --verify bash.tar.gz.sig bash.tar.gz; \
 	gpgconf --kill all; \
 	rm bash.tar.gz.sig; \
diff --git a/4.3/Dockerfile b/4.3/Dockerfile
index 9b1c151..13f3859 100644
--- a/4.3/Dockerfile
+++ b/4.3/Dockerfile
@@ -46,7 +46,7 @@ RUN set -ex; \
 	fi; \
 	\
 	export GNUPGHOME="$(mktemp -d)"; \
-	gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$_BASH_GPG_KEY"; \
+	gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$_BASH_GPG_KEY"; \
 	gpg --batch --verify bash.tar.gz.sig bash.tar.gz; \
 	gpgconf --kill all; \
 	rm bash.tar.gz.sig; \
diff --git a/4.4/Dockerfile b/4.4/Dockerfile
index f54e70c..8eeb7f5 100644
--- a/4.4/Dockerfile
+++ b/4.4/Dockerfile
@@ -46,7 +46,7 @@ RUN set -ex; \
 	fi; \
 	\
 	export GNUPGHOME="$(mktemp -d)"; \
-	gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$_BASH_GPG_KEY"; \
+	gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$_BASH_GPG_KEY"; \
 	gpg --batch --verify bash.tar.gz.sig bash.tar.gz; \
 	gpgconf --kill all; \
 	rm bash.tar.gz.sig; \
diff --git a/5.0-rc/Dockerfile b/5.0-rc/Dockerfile
index e77e85f..1def1f9 100644
--- a/5.0-rc/Dockerfile
+++ b/5.0-rc/Dockerfile
@@ -46,7 +46,7 @@ RUN set -ex; \
 	fi; \
 	\
 	export GNUPGHOME="$(mktemp -d)"; \
-	gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$_BASH_GPG_KEY"; \
+	gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$_BASH_GPG_KEY"; \
 	gpg --batch --verify bash.tar.gz.sig bash.tar.gz; \
 	gpgconf --kill all; \
 	rm bash.tar.gz.sig; \