diff --git a/buildutils/bundle.py b/buildutils/bundle.py
index b2d645b..e7ba836 100644
--- a/buildutils/bundle.py
+++ b/buildutils/bundle.py
@@ -35,7 +35,7 @@ pjoin = os.path.join
 # Constants
 #-----------------------------------------------------------------------------
 
-bundled_version = (0,5,0)
+bundled_version = (0,5,1)
 libcapnp = "capnproto-c++-%i.%i.%i.tar.gz" % (bundled_version)
 libcapnp_url = "https://capnproto.org/" + libcapnp