diff --git a/slow5lib b/slow5lib
index 39d6647..80e4e0d 160000
--- a/slow5lib
+++ b/slow5lib
@@ -1 +1 @@
-Subproject commit 39d6647370adb66f77595ea3148f794ca3697d6a
+Subproject commit 80e4e0ddb5a0756da99e6f87f5fcf89a4e103eac