diff --git a/lib/importer.py b/lib/importer.py
index 66defaf..be96eb1 100644
--- a/lib/importer.py
+++ b/lib/importer.py
@@ -220,11 +220,7 @@ class Importer:
     def import_into_db(self):
 
         with concurrent.futures.ThreadPoolExecutor(max_workers=8) as executor:
-            fs = [
-                executor.submit(refresh_package, self, self.project, package)
-                for package in self.packages
-            ]
-            concurrent.futures.wait(fs)
+            for package in self.packages: refresh_package(self, self.project, package)
 
             self.db.conn.commit()