diff --git a/apbs/externals/fetk b/apbs/externals/fetk
index 59e58948cb..8546b63a4f 160000
--- a/apbs/externals/fetk
+++ b/apbs/externals/fetk
@@ -1 +1 @@
-Subproject commit 59e58948cb691d9564f80825297bac605ecb04c7
+Subproject commit 8546b63a4fe353358be2c5ea798270f8f5ecfd9b