diff --git a/docker/build_scripts/fixup-mirrors.sh b/docker/build_scripts/fixup-mirrors.sh
index a490eac2..719fe0fb 100755
--- a/docker/build_scripts/fixup-mirrors.sh
+++ b/docker/build_scripts/fixup-mirrors.sh
@@ -3,3 +3,13 @@
 
 # Stop at any error, show all commands
 set -exuo pipefail
+if [ "${AUDITWHEEL_POLICY}" == "manylinux2014" ] && [ "${AUDITWHEEL_ARCH}" != "s390x" ]; then
+	# Centos 7 is EOL and is no longer available from the usual mirrors, so switch
+	# to https://vault.centos.org
+	sed -i 's/enabled=1/enabled=0/g' /etc/yum/pluginconf.d/fastestmirror.conf
+	sed -i 's/^mirrorlist/#mirrorlist/g' /etc/yum.repos.d/*.repo
+	sed -i 's;^.*baseurl=http://mirror;baseurl=https://vault;g' /etc/yum.repos.d/*.repo
+	if [ "${AUDITWHEEL_ARCH}" == "aarch64" ] || [ "${AUDITWHEEL_ARCH}" == "ppc64le" ]; then
+		sed -i 's;/centos/7/;/altarch/7/;g' /etc/yum.repos.d/*.repo
+	fi
+fi
diff --git a/docker/build_scripts/install-runtime-packages.sh b/docker/build_scripts/install-runtime-packages.sh
index 469fd563..2c5d0959 100755
--- a/docker/build_scripts/install-runtime-packages.sh
+++ b/docker/build_scripts/install-runtime-packages.sh
@@ -66,9 +66,9 @@ if [ "${AUDITWHEEL_POLICY}" == "manylinux2014" ]; then
 	echo "skip_missing_names_on_install=False" >> /etc/yum.conf
 	# Make sure that locale will not be removed
 	sed -i '/^override_install_langs=/d' /etc/yum.conf
-	# Exclude mirror holding broken package metadata
-	echo "exclude = d36uatko69830t.cloudfront.net" >> /etc/yum/pluginconf.d/fastestmirror.conf
+	fixup-mirrors
 	yum -y update
+	fixup-mirrors
 	yum -y install yum-utils curl
 	yum-config-manager --enable extras
 	TOOLCHAIN_DEPS="devtoolset-10-binutils devtoolset-10-gcc devtoolset-10-gcc-c++ devtoolset-10-gcc-gfortran"
@@ -86,6 +86,7 @@ if [ "${AUDITWHEEL_POLICY}" == "manylinux2014" ]; then
 		# Install mayeut/devtoolset-10 repo to get devtoolset-10
 		curl -fsSLo /etc/yum.repos.d/mayeut-devtoolset-10.repo https://copr.fedorainfracloud.org/coprs/mayeut/devtoolset-10/repo/custom-1/mayeut-devtoolset-10-custom-1.repo
 	fi
+	fixup-mirrors
 elif [ "${AUDITWHEEL_POLICY}" == "manylinux_2_28" ]; then
 	PACKAGE_MANAGER=dnf
 	BASETOOLS="${BASETOOLS} curl glibc-locale-source glibc-langpack-en hardlink hostname libcurl libnsl libxcrypt which"