diff --git a/master.cfg b/master.cfg
index ba02381..c650cb8 100644
--- a/master.cfg
+++ b/master.cfg
@@ -302,7 +302,7 @@ def generic_builder(id, libdir='', branch='', rsync=False):
         f.addStep(FileUpload(name='upload',
                              slavesrc='buildbot_upload.zip',
                              masterdest=filename,
-                             maxsize=150 * 1024 * 1024,
+                             maxsize=180 * 1024 * 1024,
                              workdir='install'))
     f.addStep(MasterShellCommand(name='unpack',
                                  command=['python2.7', unpack_script, filename],