diff --git a/externals/autodiff b/externals/autodiff
index bd2eff99de4ac01f5b943a8370be78d4ec64edfa..91285194de79da946fe7caffed73ab9308cc70c9 160000
--- a/externals/autodiff
+++ b/externals/autodiff
@@ -1 +1 @@
-Subproject commit bd2eff99de4ac01f5b943a8370be78d4ec64edfa
+Subproject commit 91285194de79da946fe7caffed73ab9308cc70c9