diff --git a/external/img4tool b/external/img4tool
index 70b57787..b46989ab 160000
--- a/external/img4tool
+++ b/external/img4tool
@@ -1 +1 @@
-Subproject commit 70b5778730cd3d32f9bf5b49de9e075141892f7f
+Subproject commit b46989ab2a1adb2c29f0847b78366265344ece1e