diff --git a/deps/GSL b/deps/GSL
index 7d49d4b..991fa66 160000
--- a/deps/GSL
+++ b/deps/GSL
@@ -1 +1 @@
-Subproject commit 7d49d4b45d2cc37171351268c6cce43c32dc28a0
+Subproject commit 991fa6682e819590c695f00c6b880548e55fa914