diff --git a/package.json b/package.json
index fcbf8a29..59fef9f8 100644
--- a/package.json
+++ b/package.json
@@ -69,7 +69,8 @@
     "prettier:check": "npm run prettier -- --check",
     "prettier:write": "npm run prettier -- --write",
     "format": "npm-run-all --print-label --parallel lint:*:fix prettier:write",
-    "prerelease": "git switch main && git pull && npm ci && npm test",
+    "clean": "git clean -dx --force --exclude=node_modules",
+    "prerelease": "git switch main && git pull && npm ci && npm run clean && npm test && npm run lint && npm run clean",
     "release": "standard-version",
     "release:dry-run": "standard-version --dry-run"
   },
diff --git a/test/__snapshots__/init.test.js.snap b/test/__snapshots__/init.test.js.snap
index 4c65599f..4665bc99 100644
--- a/test/__snapshots__/init.test.js.snap
+++ b/test/__snapshots__/init.test.js.snap
@@ -49,6 +49,7 @@ Object {
     ],
   },
   "scripts": Object {
+    "clean": "git clean -dx --force --exclude=node_modules",
     "format": "npm-run-all --print-label --parallel lint:*:fix prettier:write",
     "lint": "npm-run-all --print-label --parallel lint:* prettier:check",
     "lint:js": "eslint .",
@@ -56,7 +57,7 @@ Object {
     "lint:md": "remark . --frail",
     "lint:md:fix": "remark . --output",
     "lint:types": "tsc --noEmit",
-    "prerelease": "git switch main && git pull && npm ci && npm test",
+    "prerelease": "git switch main && git pull && npm ci && npm run clean && npm test && npm run lint && npm run clean",
     "prettier": "prettier --ignore-path .gitignore .",
     "prettier:check": "npm run prettier -- --check",
     "prettier:write": "npm run prettier -- --write",
@@ -123,6 +124,7 @@ Object {
     ],
   },
   "scripts": Object {
+    "clean": "git clean -dx --force --exclude=node_modules",
     "format": "npm-run-all --print-label --parallel lint:*:fix prettier:write",
     "lint": "npm-run-all --print-label --parallel lint:* prettier:check",
     "lint:js": "eslint .",
@@ -130,7 +132,7 @@ Object {
     "lint:md": "remark . --frail",
     "lint:md:fix": "remark . --output",
     "lint:types": "tsc --noEmit",
-    "prerelease": "git switch main && git pull && npm ci && npm test",
+    "prerelease": "git switch main && git pull && npm ci && npm run clean && npm test && npm run lint && npm run clean",
     "prettier": "prettier --ignore-path .gitignore .",
     "prettier:check": "npm run prettier -- --check",
     "prettier:write": "npm run prettier -- --write",