diff --git a/external/elfio b/external/elfio
index 73a2410..47af3a4 160000
--- a/external/elfio
+++ b/external/elfio
@@ -1 +1 @@
-Subproject commit 73a241079a040710481e9b840248ec0425e46c7c
+Subproject commit 47af3a4ff9a4369835edf5391bbc2246ad46edf9