diff --git a/extern/aurora b/extern/aurora
index 1dde08fa0d..81f12f31d2 160000
--- a/extern/aurora
+++ b/extern/aurora
@@ -1 +1 @@
-Subproject commit 1dde08fa0d0030133788a6250a81c8b9c44f246f
+Subproject commit 81f12f31d23ec822d8bde2031c91e94c470911eb