diff --git a/tools/web/receipt_probe.py b/tools/web/receipt_probe.py
index 6c12b2048ee3f407feb2f5846ee15961b96a37e6..75c65d8d04088ffa7964cce6bd3d8420b2208b4d 100644
--- a/tools/web/receipt_probe.py
+++ b/tools/web/receipt_probe.py
@@ -4,6 +4,7 @@ from pathlib import Path
 import sys
 
 sys.path.insert(0, str(Path(__file__).resolve().parents[1]))
+from cargo_fresh import clean_local
 import release_web
 
 
@@ -11,6 +12,7 @@ def main():
     environment = release_web.environment()
     target = Path(environment['CARGO_TARGET_DIR'])
     output = target / 'receipt-probe'
+    clean_local(release_web.ROOT, '--target', 'wasm32-unknown-unknown', environment=environment)
     release_web.run(['cargo', 'build', '--locked', '-p', 'notebook', '--example', 'browser_receipts',
                      '--target', 'wasm32-unknown-unknown'], env=environment)
     release_web.run([release_web.tool('wasm-bindgen'), '--target', 'nodejs', '--no-typescript',