diff --git a/script/lib/bump-version.sh b/script/lib/bump-version.sh
index b7b3bc03dc..4b9a1985eb 100755
--- a/script/lib/bump-version.sh
+++ b/script/lib/bump-version.sh
@@ -21,7 +21,7 @@ which cargo-set-version > /dev/null || cargo install cargo-edit
 cargo set-version --package $package --bump $version_increment
 cargo check --quiet
 
-new_version=$(cargo metadata --no-deps --format-version=1 | jq --raw-output ".packages[] | select(.name == \"${package}\") | .version")
+new_version=$(script/get-crate-version $package)
 branch_name=$(git rev-parse --abbrev-ref HEAD)
 old_sha=$(git rev-parse HEAD)
 tag_name=${tag_prefix}${new_version}${tag_suffix}
@@ -33,8 +33,11 @@ cat <<MESSAGE
 Locally committed and tagged ${package} version ${new_version}
 
 To push this:
-    git push origin ${tag_name} ${branch_name}
+    git push origin \
+      ${tag_name} \
+      ${branch_name}
 
 To undo this:
-    git tag -d ${tag_name} && git reset --hard ${old_sha}
+    git tag -d ${tag_name} && \
+      git reset --hard ${old_sha}
 MESSAGE
diff --git a/script/railcar b/script/railcar
new file mode 100755
index 0000000000..198af36fa9
--- /dev/null
+++ b/script/railcar
@@ -0,0 +1,73 @@
+#!/bin/bash
+
+set -eu
+
+# Ensure cargo-edit is installed
+which cargo-set-version > /dev/null || cargo install cargo-edit
+
+# Ensure we're in a clean state on an up-to-date `main` branch.
+if [[ -n $(git status --short --untracked-files=no) ]]; then
+  echo "Can't roll the railcars with uncommitted changes"
+  exit 1
+fi
+if [[ $(git rev-parse --abbrev-ref HEAD) != "main" ]]; then
+  echo "Run this command on the main branch"
+  exit 1
+fi
+git pull -q --ff-only origin main
+
+# Determine the name of the new preview branch
+version=$(script/get-crate-version zed)
+major=$(echo $version | cut -d. -f1)
+minor=$(echo $version | cut -d. -f2)
+prev_minor=$(expr $minor - 1)
+next_minor=$(expr $minor + 1)
+
+minor_branch_name="v${major}.${minor}.x"
+prev_minor_branch_name="v${major}.${prev_minor}.x"
+next_minor_branch_name="v${major}.${next_minor}.x"
+
+echo "Promoting existing branch ${prev_minor_branch_name} to stable..."
+git checkout -q ${prev_minor_branch_name}
+git clean -qdff
+old_prev_minor_sha=$(git rev-parse HEAD)
+echo -n "stable" > crates/zed/RELEASE_CHANNEL
+git commit -q --all --message "Stable ${prev_minor_branch_name}"
+stable_tag_name="v$(script/get-crate-version zed)"
+git tag ${stable_tag_name}
+
+echo "Creating new preview branch ${minor_branch_name}..."
+git checkout -q -b ${minor_branch_name}
+echo -n "preview" > crates/zed/RELEASE_CHANNEL
+git commit -q --all --message "Preview ${minor_branch_name}"
+preview_tag_name="v$(script/get-crate-version zed)-pre"
+git tag ${preview_tag_name}
+
+echo "Preparing main for version ${next_minor_branch_name}..."
+git checkout -q main
+git clean -q -dff
+old_main_sha=$(git rev-parse HEAD)
+echo -n "dev" > crates/zed/RELEASE_CHANNEL
+cargo set-version --package zed --bump minor
+cargo check -q
+git commit -q --all --message "Dev ${next_minor_branch_name}"
+
+cat <<MESSAGE
+Locally rolled the railcars.
+
+To push this:
+    git push origin \\
+      ${preview_tag_name} \\
+      ${stable_tag_name} \\
+      ${minor_branch_name} \\
+      ${prev_minor_branch_name} \\
+      main
+
+To undo this:
+    git push -f . \\
+      :${preview_tag_name} \\
+      :${stable_tag_name} \\
+      :${minor_branch_name} \\
+      ${old_prev_minor_sha}:${prev_minor_branch_name} \\
+      ${old_main_sha}:main
+MESSAGE