diff --git a/thirdparty/eigen b/thirdparty/eigen
index abac563f..4a6ac97d 160000
--- a/thirdparty/eigen
+++ b/thirdparty/eigen
@@ -1 +1 @@
-Subproject commit abac563f5dac59b88e4f354e7b092c9cae3871fc
+Subproject commit 4a6ac97d135cef787e3418c1a91f1efe38af1b9c