diff --git a/tools/amd_build/build_amd.py b/tools/amd_build/build_amd.py
index 7645865f2..c6434d904 100755
--- a/tools/amd_build/build_amd.py
+++ b/tools/amd_build/build_amd.py
@@ -1,5 +1,7 @@
 #!/usr/bin/env python3
 
+# pyre-unsafe
+
 
 import argparse
 import os
diff --git a/tools/amd_build/pyHIPIFY/constants.py b/tools/amd_build/pyHIPIFY/constants.py
index 4cda2e323..9c79629a7 100644
--- a/tools/amd_build/pyHIPIFY/constants.py
+++ b/tools/amd_build/pyHIPIFY/constants.py
@@ -1,3 +1,4 @@
+# pyre-unsafe
 """ Constants for annotations in the mapping.
 The constants defined here are used to annotate the mapping tuples in cuda_to_hip_mappings.py.
 They are based on
diff --git a/tools/amd_build/pyHIPIFY/cuda_to_hip_mappings.py b/tools/amd_build/pyHIPIFY/cuda_to_hip_mappings.py
index e53b8e958..e1aedfaa7 100644
--- a/tools/amd_build/pyHIPIFY/cuda_to_hip_mappings.py
+++ b/tools/amd_build/pyHIPIFY/cuda_to_hip_mappings.py
@@ -1,3 +1,4 @@
+# pyre-unsafe
 import collections
 
 from pyHIPIFY.constants import *
diff --git a/tools/amd_build/pyHIPIFY/hipify_python.py b/tools/amd_build/pyHIPIFY/hipify_python.py
index 475d2f861..696d284c2 100755
--- a/tools/amd_build/pyHIPIFY/hipify_python.py
+++ b/tools/amd_build/pyHIPIFY/hipify_python.py
@@ -1,4 +1,6 @@
 #!/usr/bin/env python3
+
+# pyre-unsafe
 """ The Python Hipify script.
 ##
 # Copyright (c) 2015-2016 Advanced Micro Devices, Inc. All rights reserved.