diff --git a/lib/macos_arm64 b/lib/macos_arm64
index 9cc70eaa4f6..ea2cae98e9a 160000
--- a/lib/macos_arm64
+++ b/lib/macos_arm64
@@ -1 +1 @@
-Subproject commit 9cc70eaa4f6824d3480da2200ae9746b0b54522a
+Subproject commit ea2cae98e9a61b73c6f52603d3f9a58242f789b3
diff --git a/tests/python/bl_bundled_modules.py b/tests/python/bl_bundled_modules.py
index 8f22a2bab4c..e9a6f03dfab 100644
--- a/tests/python/bl_bundled_modules.py
+++ b/tests/python/bl_bundled_modules.py
@@ -26,6 +26,9 @@ import urllib3
 import zlib
 import zstandard
 
+# Dynamically loaded modules, to ensure they have satisfactory dependencies.
+import _blake2
+
 # VFX platform modules.
 from pxr import Usd
 import MaterialX