diff --git a/FEXCore/Source/Utils/Allocator.cpp b/FEXCore/Source/Utils/Allocator.cpp
index 3458b570c..b4a4d5538 100644
--- a/FEXCore/Source/Utils/Allocator.cpp
+++ b/FEXCore/Source/Utils/Allocator.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 #include "Utils/Allocator/HostAllocator.h"
 #include <FEXCore/Utils/Allocator.h>
 #include <FEXCore/Utils/CompilerDefs.h>
diff --git a/FEXCore/Source/Utils/Allocator.h b/FEXCore/Source/Utils/Allocator.h
index 70d9f3fcb..5a26f72b4 100644
--- a/FEXCore/Source/Utils/Allocator.h
+++ b/FEXCore/Source/Utils/Allocator.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 #pragma once
 
 namespace FEXCore::Core {
diff --git a/FEXCore/Source/Utils/Allocator/64BitAllocator.cpp b/FEXCore/Source/Utils/Allocator/64BitAllocator.cpp
index aaa104848..acf236409 100644
--- a/FEXCore/Source/Utils/Allocator/64BitAllocator.cpp
+++ b/FEXCore/Source/Utils/Allocator/64BitAllocator.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 #include "Utils/Allocator/FlexBitSet.h"
 #include "Utils/Allocator/HostAllocator.h"
 #include "Utils/Allocator/IntrusiveArenaAllocator.h"
diff --git a/FEXCore/Source/Utils/Allocator/FlexBitSet.h b/FEXCore/Source/Utils/Allocator/FlexBitSet.h
index 8a0c26503..9d4d08467 100644
--- a/FEXCore/Source/Utils/Allocator/FlexBitSet.h
+++ b/FEXCore/Source/Utils/Allocator/FlexBitSet.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 #pragma once
 
 #include <FEXCore/Utils/MathUtils.h>
diff --git a/FEXCore/Source/Utils/Allocator/HostAllocator.h b/FEXCore/Source/Utils/Allocator/HostAllocator.h
index 42653857c..f09a9bc5e 100644
--- a/FEXCore/Source/Utils/Allocator/HostAllocator.h
+++ b/FEXCore/Source/Utils/Allocator/HostAllocator.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 #pragma once
 #include <FEXCore/fextl/allocator.h>
 #include <FEXCore/fextl/memory.h>
diff --git a/FEXCore/Source/Utils/Allocator/IntrusiveArenaAllocator.h b/FEXCore/Source/Utils/Allocator/IntrusiveArenaAllocator.h
index dca979b6c..97a879a03 100644
--- a/FEXCore/Source/Utils/Allocator/IntrusiveArenaAllocator.h
+++ b/FEXCore/Source/Utils/Allocator/IntrusiveArenaAllocator.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 #pragma once
 
 #include "FlexBitSet.h"
diff --git a/FEXCore/Source/Utils/AllocatorOverride.cpp b/FEXCore/Source/Utils/AllocatorOverride.cpp
index 3e6a60e9b..410af5542 100644
--- a/FEXCore/Source/Utils/AllocatorOverride.cpp
+++ b/FEXCore/Source/Utils/AllocatorOverride.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 #include <FEXCore/Utils/Allocator.h>
 #include <FEXCore/Utils/CompilerDefs.h>
 #include <FEXCore/Utils/LogManager.h>
diff --git a/FEXCore/Source/Utils/ArchHelpers/Arm64.cpp b/FEXCore/Source/Utils/ArchHelpers/Arm64.cpp
index d2d76e5c7..dc2cc9ef4 100644
--- a/FEXCore/Source/Utils/ArchHelpers/Arm64.cpp
+++ b/FEXCore/Source/Utils/ArchHelpers/Arm64.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 #include <FEXCore/Utils/EnumUtils.h>
 #include <FEXCore/Utils/LogManager.h>
 #include <FEXCore/Utils/Telemetry.h>
diff --git a/FEXCore/Source/Utils/ArchHelpers/Arm64_stubs.cpp b/FEXCore/Source/Utils/ArchHelpers/Arm64_stubs.cpp
index b0a1c6b57..d59bd4794 100644
--- a/FEXCore/Source/Utils/ArchHelpers/Arm64_stubs.cpp
+++ b/FEXCore/Source/Utils/ArchHelpers/Arm64_stubs.cpp
@@ -1,4 +1,4 @@
-
+// SPDX-License-Identifier: MIT
 #include <FEXCore/Utils/LogManager.h>
 #include <FEXCore/Utils/ArchHelpers/Arm64.h>
 #include <stdint.h>
diff --git a/FEXCore/Source/Utils/CPUInfo.cpp b/FEXCore/Source/Utils/CPUInfo.cpp
index 12aadc7a4..07b9b0754 100644
--- a/FEXCore/Source/Utils/CPUInfo.cpp
+++ b/FEXCore/Source/Utils/CPUInfo.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 #include <FEXHeaderUtils/Filesystem.h>
 
 #include <fmt/format.h>
diff --git a/FEXCore/Source/Utils/FileLoading.cpp b/FEXCore/Source/Utils/FileLoading.cpp
index 8d17930ea..14aec693b 100644
--- a/FEXCore/Source/Utils/FileLoading.cpp
+++ b/FEXCore/Source/Utils/FileLoading.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 #include <FEXCore/fextl/string.h>
 #include <FEXCore/fextl/vector.h>
 
diff --git a/FEXCore/Source/Utils/ForcedAssert.cpp b/FEXCore/Source/Utils/ForcedAssert.cpp
index 4d1917949..e9f38c098 100644
--- a/FEXCore/Source/Utils/ForcedAssert.cpp
+++ b/FEXCore/Source/Utils/ForcedAssert.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 namespace FEXCore::Assert {
   // This function can not be inlined
   [[noreturn]]
diff --git a/FEXCore/Source/Utils/LogManager.cpp b/FEXCore/Source/Utils/LogManager.cpp
index 09e7d99e1..74697f5ff 100644
--- a/FEXCore/Source/Utils/LogManager.cpp
+++ b/FEXCore/Source/Utils/LogManager.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 $info$
 tags: glue|log-manager
diff --git a/FEXCore/Source/Utils/MemberFunctionToPointer.h b/FEXCore/Source/Utils/MemberFunctionToPointer.h
index f1b8c5323..2140e3caa 100644
--- a/FEXCore/Source/Utils/MemberFunctionToPointer.h
+++ b/FEXCore/Source/Utils/MemberFunctionToPointer.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 #pragma once
 
 #include <FEXCore/Utils/LogManager.h>
diff --git a/FEXCore/Source/Utils/NetStream.cpp b/FEXCore/Source/Utils/NetStream.cpp
index 71d9dd204..932ba5607 100644
--- a/FEXCore/Source/Utils/NetStream.cpp
+++ b/FEXCore/Source/Utils/NetStream.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 #include <FEXCore/Utils/Allocator.h>
 #include <FEXCore/Utils/LogManager.h>
 #include <FEXCore/Utils/NetStream.h>
diff --git a/FEXCore/Source/Utils/Profiler.cpp b/FEXCore/Source/Utils/Profiler.cpp
index c1f22ac63..eae497674 100644
--- a/FEXCore/Source/Utils/Profiler.cpp
+++ b/FEXCore/Source/Utils/Profiler.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 #include <array>
 #include <cstdint>
 #include <fcntl.h>
diff --git a/FEXCore/Source/Utils/Telemetry.cpp b/FEXCore/Source/Utils/Telemetry.cpp
index c971d538b..c234d390a 100644
--- a/FEXCore/Source/Utils/Telemetry.cpp
+++ b/FEXCore/Source/Utils/Telemetry.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 #include <FEXCore/Config/Config.h>
 #include <FEXCore/Utils/File.h>
 #include <FEXCore/Utils/LogManager.h>
diff --git a/FEXCore/Source/Utils/Threads.cpp b/FEXCore/Source/Utils/Threads.cpp
index 2b507a770..1e826f84e 100644
--- a/FEXCore/Source/Utils/Threads.cpp
+++ b/FEXCore/Source/Utils/Threads.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 #include <FEXCore/Utils/Allocator.h>
 #include <FEXCore/Utils/LogManager.h>
 #include <FEXCore/Utils/Threads.h>