diff --git a/scripts/build.py b/scripts/build.py
index 16b1d606ee73fbfc89f161b191289b03fe65ea1d..2bd34c5f7ecf315e69820ae4333fe43bb2532958 100755
--- a/scripts/build.py
+++ b/scripts/build.py
@@ -77,6 +77,9 @@ def build_package(repo_dir, package_dir, name,
         for entry in _get_log_entries():
             run_checked(command + [entry])
 
+        command = ["apt-get", "build-dep", name]
+        run_checked(command)
+
         command = ["debuild", "-b", "-uc", "-us"]
         run_checked(command)