diff --git a/extern/nanoflann b/extern/nanoflann
index 923c2ac..d2fdfed 160000
--- a/extern/nanoflann
+++ b/extern/nanoflann
@@ -1 +1 @@
-Subproject commit 923c2ac16a955317054c296d298425d33c0cb9de
+Subproject commit d2fdfed6bcb940a07d8b217ed589f1ff89aa7324