diff --git a/external/gt4py b/external/gt4py
index d6dfd6ff..66f84473 160000
--- a/external/gt4py
+++ b/external/gt4py
@@ -1 +1 @@
-Subproject commit d6dfd6ff46cc1d50b0fb6d05fb0b6271e4a1f5cc
+Subproject commit 66f8447398762127ba51c7a335d0da7ada369219