diff --git a/_template/create-branches.sh b/_template/create-branches.sh
new file mode 100755
index 0000000..45c0725
--- /dev/null
+++ b/_template/create-branches.sh
@@ -0,0 +1,25 @@
+#!/bin/bash
+cd "$(dirname $0)"/..
+
+# make sure we're on master, and delete the rollup-v3 and webpack-v3 branches
+git symbolic-ref HEAD refs/heads/master
+git reset --hard
+git branch -D rollup-v3 webpack-v3
+
+# create the rollup-v3 branch off the current master
+git checkout -b rollup-v3
+node _template/build-pkg.js rollup
+git rm -r --cached .travis.yml _template package_template.json webpack.config.js
+git add package.json
+git commit -m 'Sapper template for Rollup'
+git symbolic-ref HEAD refs/heads/master
+git reset --hard
+
+# create the webpack-v3 branch off the current master
+git checkout -b webpack-v3
+node _template/build-pkg.js webpack
+git rm -r --cached .travis.yml _template package_template.json rollup.config.js
+git add package.json
+git commit -m 'Sapper template for webpack'
+git symbolic-ref HEAD refs/heads/master
+git reset --hard
\ No newline at end of file