diff --git a/rootfs-builder/debian/Dockerfile.in b/rootfs-builder/debian/Dockerfile.in
index 3120428c9..88629aefa 100644
--- a/rootfs-builder/debian/Dockerfile.in
+++ b/rootfs-builder/debian/Dockerfile.in
@@ -8,10 +8,12 @@ from docker.io/debian:@OS_VERSION@
 
 # RUN commands
 RUN apt-get update && apt-get --no-install-recommends install -y \
+    apt-utils \
     autoconf \
     automake \
     binutils \
     build-essential \
+    ca-certificates \
     chrony \
     cmake \
     coreutils \
diff --git a/rootfs-builder/ubuntu/Dockerfile.in b/rootfs-builder/ubuntu/Dockerfile.in
index 2fdc88d85..a5da267a4 100644
--- a/rootfs-builder/ubuntu/Dockerfile.in
+++ b/rootfs-builder/ubuntu/Dockerfile.in
@@ -12,10 +12,12 @@ from docker.io/ubuntu:@OS_VERSION@
 
 # RUN commands
 RUN apt-get update && apt-get --no-install-recommends install -y \
+    apt-utils \
     autoconf \
     automake \
     binutils \
     build-essential \
+    ca-certificates \
     chrony \
     cmake \
     coreutils \