diff --git a/automated/new-stackage-format/convert.sh b/automated/new-stackage-format/convert.sh
new file mode 100755
index 00000000..66460b37
--- /dev/null
+++ b/automated/new-stackage-format/convert.sh
@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+set -eux
+
+if [[ ! -f convert ]]
+then
+    curl https://s3.amazonaws.com/michael.snoyman.com/convert-old-stackage-22f85f4829da949df601f2facf2d9b8c794232cf.bz2 > convert.bz2
+    chmod +x convert.bz2
+    bunzip2 convert.bz2
+fi
+
+cd $(dirname ${BASH_SOURCE[0]})
+
+for d in lts-haskell stackage-nightly stackage-snapshots
+do
+    if [[ ! -d "$d" ]]
+    then
+        git clone https://github.com/commercialhaskell/$d
+    else
+        (cd "$d" && git pull || echo "Git pull failed, ignoring")
+    fi
+done
+
+./convert
+
+cd stackage-snapshots
+git add lts nightly
+git diff-index --quiet HEAD && echo No changes && exit 0
+git config user.name "Stackage build server"
+git config user.email "michael@snoyman.com"
+git commit -m "More conversions $(date)"
+GIT_SSH_COMMAND='ssh -i ../../ssh-lts/id_rsa' git push git@github.com:commercialhaskell/stackage-snapshots master
diff --git a/automated/run-nightly.sh b/automated/run-nightly.sh
index 3dc3b26c..0a629873 100755
--- a/automated/run-nightly.sh
+++ b/automated/run-nightly.sh
@@ -5,6 +5,9 @@ cd "$(dirname "${BASH_SOURCE[0]}")"
 while true; do
     ./build.sh nightly-$(date -u +%F)
     date
+
+    ./new-stackage-format/convert.sh
+
     sleep 30m
     echo
 done