diff --git a/external/pthash b/external/pthash
index 4e049f6..c977ec4 160000
--- a/external/pthash
+++ b/external/pthash
@@ -1 +1 @@
-Subproject commit 4e049f63606de20c7016c858aedaf4e2c181df82
+Subproject commit c977ec4a22c202e72de6a23bc111960ce99237cc