diff --git a/brightway2-io b/brightway2-io
index 69bc510..482c964 160000
--- a/brightway2-io
+++ b/brightway2-io
@@ -1 +1 @@
-Subproject commit 69bc5105d993ed9f05bd43b72f15314c2f6b153c
+Subproject commit 482c9645e6f2b8b1186a51fa32178fef012ad17a