diff --git a/thirdparty/eigen b/thirdparty/eigen
index afb17288..b9b1c866 160000
--- a/thirdparty/eigen
+++ b/thirdparty/eigen
@@ -1 +1 @@
-Subproject commit afb17288cbb5bac779a850e3ec6ba106b7f42c1c
+Subproject commit b9b1c8661ea77e3ab23699aafae1b593926a2c4e