diff --git a/tests/docker/dockerfiles/debian-arm64-cross.docker b/tests/docker/dockerfiles/debian-arm64-cross.docker
index 55045ff5d5..09ca0a1ba7 100644
--- a/tests/docker/dockerfiles/debian-arm64-cross.docker
+++ b/tests/docker/dockerfiles/debian-arm64-cross.docker
@@ -13,7 +13,7 @@ RUN apt update && \
         crossbuild-essential-arm64
 RUN apt update && \
     DEBIAN_FRONTEND=noninteractive eatmydata \
-    apt build-dep -yy -a arm64 qemu
+    apt build-dep -yy -a arm64 --arch-only qemu
 
 # Specify the cross prefix for this image (see tests/docker/common.rc)
 ENV QEMU_CONFIGURE_OPTS --cross-prefix=aarch64-linux-gnu-
diff --git a/tests/docker/dockerfiles/debian-armel-cross.docker b/tests/docker/dockerfiles/debian-armel-cross.docker
index 363a162a25..15378f8ea2 100644
--- a/tests/docker/dockerfiles/debian-armel-cross.docker
+++ b/tests/docker/dockerfiles/debian-armel-cross.docker
@@ -11,7 +11,7 @@ RUN dpkg --add-architecture armel && \
     apt update && \
     apt install -yy crossbuild-essential-armel && \
     DEBIAN_FRONTEND=noninteractive eatmydata \
-    apt build-dep -yy -a armel qemu
+    apt build-dep -yy -a armel --arch-only qemu
 
 # Specify the cross prefix for this image (see tests/docker/common.rc)
 ENV QEMU_CONFIGURE_OPTS --cross-prefix=arm-linux-gnueabi-
diff --git a/tests/docker/dockerfiles/debian-armhf-cross.docker b/tests/docker/dockerfiles/debian-armhf-cross.docker
index d5365881e7..4a20af6fe1 100644
--- a/tests/docker/dockerfiles/debian-armhf-cross.docker
+++ b/tests/docker/dockerfiles/debian-armhf-cross.docker
@@ -13,7 +13,7 @@ RUN apt update && \
         crossbuild-essential-armhf
 RUN apt update && \
     DEBIAN_FRONTEND=noninteractive eatmydata \
-    apt build-dep -yy -a armhf qemu
+    apt build-dep -yy -a armhf --arch-only qemu
 
 # Specify the cross prefix for this image (see tests/docker/common.rc)
 ENV QEMU_CONFIGURE_OPTS --cross-prefix=arm-linux-gnueabihf-
diff --git a/tests/docker/dockerfiles/debian-mips-cross.docker b/tests/docker/dockerfiles/debian-mips-cross.docker
index a54efa7253..08a8e1c29c 100644
--- a/tests/docker/dockerfiles/debian-mips-cross.docker
+++ b/tests/docker/dockerfiles/debian-mips-cross.docker
@@ -1,9 +1,9 @@
 #
 # Docker mips cross-compiler target
 #
-# This docker target builds on the debian Stretch base image.
+# This docker target builds on the debian Buster base image.
 #
-FROM qemu:debian9
+FROM qemu:debian10
 
 MAINTAINER Philippe Mathieu-Daudé <f4bug@amsat.org>
 
@@ -16,7 +16,7 @@ RUN apt update && \
 
 RUN apt update && \
     DEBIAN_FRONTEND=noninteractive eatmydata \
-    apt build-dep -yy -a mips qemu
+    apt build-dep -yy -a mips --arch-only qemu
 
 # Specify the cross prefix for this image (see tests/docker/common.rc)
 ENV QEMU_CONFIGURE_OPTS --cross-prefix=mips-linux-gnu-
diff --git a/tests/docker/dockerfiles/debian-mips64el-cross.docker b/tests/docker/dockerfiles/debian-mips64el-cross.docker
index a1481e16e2..2fca112405 100644
--- a/tests/docker/dockerfiles/debian-mips64el-cross.docker
+++ b/tests/docker/dockerfiles/debian-mips64el-cross.docker
@@ -17,7 +17,7 @@ RUN dpkg --add-architecture mips64el && \
 
 RUN apt update && \
     DEBIAN_FRONTEND=noninteractive eatmydata \
-    apt build-dep -yy -a mips64el qemu
+    apt build-dep -yy -a mips64el --arch-only qemu
 
 # Specify the cross prefix for this image (see tests/docker/common.rc)
 ENV QEMU_CONFIGURE_OPTS --cross-prefix=mips64el-linux-gnuabi64-
diff --git a/tests/docker/dockerfiles/debian-mipsel-cross.docker b/tests/docker/dockerfiles/debian-mipsel-cross.docker
index 88accad269..4abf7832ac 100644
--- a/tests/docker/dockerfiles/debian-mipsel-cross.docker
+++ b/tests/docker/dockerfiles/debian-mipsel-cross.docker
@@ -16,7 +16,7 @@ RUN apt update && \
 
 RUN apt update && \
     DEBIAN_FRONTEND=noninteractive eatmydata \
-    apt build-dep -yy -a mipsel qemu
+    apt build-dep -yy -a mipsel --arch-only qemu
 
 # Specify the cross prefix for this image (see tests/docker/common.rc)
 ENV QEMU_CONFIGURE_OPTS --cross-prefix=mipsel-linux-gnu-
diff --git a/tests/docker/dockerfiles/debian-ppc64el-cross.docker b/tests/docker/dockerfiles/debian-ppc64el-cross.docker
index f10883c818..9973df9ff7 100644
--- a/tests/docker/dockerfiles/debian-ppc64el-cross.docker
+++ b/tests/docker/dockerfiles/debian-ppc64el-cross.docker
@@ -12,7 +12,7 @@ RUN dpkg --add-architecture ppc64el && \
 
 RUN apt update && \
     DEBIAN_FRONTEND=noninteractive eatmydata \
-    apt build-dep -yy -a ppc64el qemu
+    apt build-dep -yy -a ppc64el --arch-only qemu
 
 # Specify the cross prefix for this image (see tests/docker/common.rc)
 ENV QEMU_CONFIGURE_OPTS --cross-prefix=powerpc64le-linux-gnu-
diff --git a/tests/docker/dockerfiles/debian-s390x-cross.docker b/tests/docker/dockerfiles/debian-s390x-cross.docker
index efa346007d..eb73c98855 100644
--- a/tests/docker/dockerfiles/debian-s390x-cross.docker
+++ b/tests/docker/dockerfiles/debian-s390x-cross.docker
@@ -17,7 +17,7 @@ RUN apt update && \
 
 RUN apt update && \
     DEBIAN_FRONTEND=noninteractive eatmydata \
-    apt build-dep -yy -a s390x qemu
+    apt build-dep -yy -a s390x --arch-only qemu
 
 # Specify the cross prefix for this image (see tests/docker/common.rc)
 ENV QEMU_CONFIGURE_OPTS --cross-prefix=s390x-linux-gnu-