diff --git a/brightway2-io b/brightway2-io
index 482c964..56598df 160000
--- a/brightway2-io
+++ b/brightway2-io
@@ -1 +1 @@
-Subproject commit 482c9645e6f2b8b1186a51fa32178fef012ad17a
+Subproject commit 56598df8f813563ffbde788436d32353733384a5