diff --git a/updatecerts.sh b/updatecerts.sh
new file mode 100644
index 0000000..94b57da
--- /dev/null
+++ b/updatecerts.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+
+echo RENEWED_DOMAINS=$RENEWED_DOMAINS
+if [[ $RENEWED_DOMAINS = *xmpp.dk* ]]
+then
+  echo "Running certificate post-update script"
+  cp /etc/letsencrypt/live/xmpp.dk/* /etc/prosody/certs
+  chown prosody:prosody /etc/prosody/certs/*
+
+  SHA256=$(openssl x509 -noout -fingerprint -sha256 -inform pem -in /etc/letsencrypt/live/xmpp.dk/cert.pem | cut -c20-)
+  SHA1=$(openssl x509 -noout -fingerprint -sha1 -inform pem -in /etc/letsencrypt/live/xmpp.dk/cert.pem | cut -c18-)
+  EXPIRES=$(openssl x509 -noout -enddate -inform pem -in /etc/letsencrypt/live/xmpp.dk/cert.pem | cut -c10-)
+
+  rm -fr /tmp/xmpp.dk
+  git clone /home/graffen/website.git /tmp/xmpp.dk
+  sed -i "s/sha-256:.*/sha-256: $SHA256/" /tmp/xmpp.dk/_config.yml
+  sed -i "s/sha-1:.*/sha-1: $SHA1/" /tmp/xmpp.dk/_config.yml
+  sed -i "s/expiry:.*/expiry: $EXPIRES/" /tmp/xmpp.dk/_config.yml
+  #rm -fr /tmp/xmpp.dk
+
+  git -C /tmp/xmpp.dk/ add _config.yml
+  git -C /tmp/xmpp.dk/ commit -m"Automated update of certificate info" 2&>1 /dev/null
+  git -C /tmp/xmpp.dk/ push
+
+  systemctl reload prosody
+  systemctl reload nginx
+fi
+