diff --git a/third_party/astrolabe b/third_party/astrolabe
index 829db07a..42ad0193 160000
--- a/third_party/astrolabe
+++ b/third_party/astrolabe
@@ -1 +1 @@
-Subproject commit 829db07a8c9cb750cdcb20e1f5238e24594b03b3
+Subproject commit 42ad0193700d934bd1fc5cf5a065421fae5b65e2