diff --git a/builder/templates/centos-7.3.index-fragment b/builder/templates/centos-7.3.index-fragment
new file mode 100644
index 000000000..3711d35d6
--- /dev/null
+++ b/builder/templates/centos-7.3.index-fragment
@@ -0,0 +1,20 @@
+[centos-7.3]
+name=CentOS 7.3
+osinfo=centos7.3
+arch=x86_64
+file=centos-7.3.xz
+checksum[sha512]=6f3bf583ccc1220117e8efe13da59c7d14d9c4c3f1f2bcaa4c07b47e407265a85169954ef28e9e1c3d6c2b38197a6d7f960b3189ea24cf6726d255ceb460a72f
+format=raw
+size=6442450944
+compressed_size=304763272
+expand=/dev/sda2
+lvexpand=/dev/cl/root
+notes=CentOS 7.3
+ 
+ This CentOS image contains only unmodified @Core group packages.
+ 
+ This template was generated by a script in the libguestfs source tree:
+     builder/templates/make-template.ml
+ Associated files used to prepare this template can be found in the
+ same directory.
+
diff --git a/builder/templates/centos-7.3.ks b/builder/templates/centos-7.3.ks
new file mode 100644
index 000000000..f19ad8211
--- /dev/null
+++ b/builder/templates/centos-7.3.ks
@@ -0,0 +1,28 @@
+# Kickstart file for centos-7.3
+# Generated by libguestfs.git/builder/templates/make-template.ml
+
+install
+text
+reboot
+lang en_US.UTF-8
+keyboard us
+network --bootproto dhcp
+rootpw builder
+firewall --enabled --ssh
+timezone --utc America/New_York
+selinux --enforcing
+
+bootloader --location=mbr --append="console=tty0 console=ttyS0,115200 rd_NO_PLYMOUTH"
+
+zerombr
+clearpart --all --initlabel
+autopart --type=lvm
+
+# Halt the system once configuration has finished.
+poweroff
+
+%packages
+@core
+%end
+
+# EOF
diff --git a/website/download/builder/index b/website/download/builder/index
index 70ef98a56..224fbce1c 100644
--- a/website/download/builder/index
+++ b/website/download/builder/index
@@ -97,6 +97,26 @@ notes=CentOS 7.2
  
  builder/website/centos.sh
 
+[centos-7.3]
+name=CentOS 7.3
+osinfo=centos7.3
+arch=x86_64
+file=centos-7.3.xz
+checksum[sha512]=6f3bf583ccc1220117e8efe13da59c7d14d9c4c3f1f2bcaa4c07b47e407265a85169954ef28e9e1c3d6c2b38197a6d7f960b3189ea24cf6726d255ceb460a72f
+format=raw
+size=6442450944
+compressed_size=304763272
+expand=/dev/sda2
+lvexpand=/dev/cl/root
+notes=CentOS 7.3
+ 
+ This CentOS image contains only unmodified @Core group packages.
+ 
+ This template was generated by a script in the libguestfs source tree:
+     builder/templates/make-template.ml
+ Associated files used to prepare this template can be found in the
+ same directory.
+
 [cirros-0.3.1]
 name=CirrOS 0.3.1
 arch=x86_64
diff --git a/website/download/builder/index.asc b/website/download/builder/index.asc
index 5073a87a9..b8fccbd63 100644
--- a/website/download/builder/index.asc
+++ b/website/download/builder/index.asc
@@ -100,6 +100,26 @@ notes=CentOS 7.2
  
  builder/website/centos.sh
 
+[centos-7.3]
+name=CentOS 7.3
+osinfo=centos7.3
+arch=x86_64
+file=centos-7.3.xz
+checksum[sha512]=6f3bf583ccc1220117e8efe13da59c7d14d9c4c3f1f2bcaa4c07b47e407265a85169954ef28e9e1c3d6c2b38197a6d7f960b3189ea24cf6726d255ceb460a72f
+format=raw
+size=6442450944
+compressed_size=304763272
+expand=/dev/sda2
+lvexpand=/dev/cl/root
+notes=CentOS 7.3
+ 
+ This CentOS image contains only unmodified @Core group packages.
+ 
+ This template was generated by a script in the libguestfs source tree:
+     builder/templates/make-template.ml
+ Associated files used to prepare this template can be found in the
+ same directory.
+
 [cirros-0.3.1]
 name=CirrOS 0.3.1
 arch=x86_64
@@ -1035,17 +1055,17 @@ notes=Ubuntu 16.04 (Xenial).
 
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