diff --git a/justfile b/justfile
index e9556ab..4b15983 100644
--- a/justfile
+++ b/justfile
@@ -16,3 +16,7 @@ start-ngrok:
   else
     ngrok http --domain=${NGROK_DOMAIN} 8080
   fi
+
+coverage:
+  cargo tarpaulin --lib --out html
+  open tarpaulin-report.html