Bumping submodule versions.
diff --git a/third_party/llvm-project b/third_party/llvm-project
index c15aa24..b4ee523 160000
--- a/third_party/llvm-project
+++ b/third_party/llvm-project
@@ -1 +1 @@
-Subproject commit c15aa241f8213334f6980b7981cee1f28f81112a
+Subproject commit b4ee523ffc962e25ef96f3bb67847521624d607a
diff --git a/third_party/mlir b/third_party/mlir
index 77fbaae..3191c78 160000
--- a/third_party/mlir
+++ b/third_party/mlir
@@ -1 +1 @@
-Subproject commit 77fbaae0f1f320772dd9d145b923928b61f4a0c5
+Subproject commit 3191c78668b5f3393c4fae0c6a4971fdf7effea4
diff --git a/third_party/tensorflow b/third_party/tensorflow
index 91c9406..3561e98 160000
--- a/third_party/tensorflow
+++ b/third_party/tensorflow
@@ -1 +1 @@
-Subproject commit 91c9406acf4be9c8d94286227e8e4a278cd3abce
+Subproject commit 3561e988be95954f35f2bd6781be31edaa696f2a