diff --git a/.main.commit b/.main.commit
index 696d63341b..45c0b595f3 100644
--- a/.main.commit
+++ b/.main.commit
@@ -1 +1 @@
-b4e4d9618e8dec4fe72adb231b56c209130df811
+a811ac17cea08e8fbdfa300be21298e02886bf85
diff --git a/3rdparty/Megatron-LM b/3rdparty/Megatron-LM
index b4e4d9618e..a811ac17ce 160000
--- a/3rdparty/Megatron-LM
+++ b/3rdparty/Megatron-LM
@@ -1 +1 @@
-Subproject commit b4e4d9618e8dec4fe72adb231b56c209130df811
+Subproject commit a811ac17cea08e8fbdfa300be21298e02886bf85