diff --git a/third-party/libswiftnav b/third-party/libswiftnav
index bfa686b..87b9931 160000
--- a/third-party/libswiftnav
+++ b/third-party/libswiftnav
@@ -1 +1 @@
-Subproject commit bfa686bac73d26118325697b1b8b79c9a2b3ed3b
+Subproject commit 87b99319af01ef582e8c30722072c6171b9a19cf