diff --git a/efi.h b/efi.h
index 4e3113e..ff85820 100644
--- a/efi.h
+++ b/efi.h
@@ -21,6 +21,7 @@ typedef struct {
 #include "protocols/boot_manager_policy.h"
 #include "protocols/console_support.h"
 #include "protocols/debugger.h"
+#include "protocols/decompress.h"
 #include "protocols/device_path.h"
 #include "protocols/loaded_image.h"
 #include "protocols/media_access.h"
diff --git a/protocols/decompress.h b/protocols/decompress.h
new file mode 100644
index 0000000..1d3da6a
--- /dev/null
+++ b/protocols/decompress.h
@@ -0,0 +1,39 @@
+#ifndef EFI_PROTOCOLS_DECOMPRESS_H
+#define EFI_PROTOCOLS_DECOMPRESS_H
+
+////
+// Decompress Protocol
+///
+
+#define EFI_DECOMPRESS_PROTOCOL_GUID {0xd8117cfe,0x94a6,0x11d4, {0x9a,0x3a,0x00,0x90,0x27,0x3f,0xc1,0x4d}}
+
+typedef struct _EFI_DECOMPRESS_PROTOCOL EFI_DECOMPRESS_PROTOCOL;
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_DECOMPRESS_GET_INFO)(
+	IN EFI_DECOMPRESS_PROTOCOL *This,
+	IN VOID *Source,
+	IN UINT32 SourceSize,
+	OUT UINT32 *DestinationSize,
+	OUT UINT32 *ScratchSize
+);
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_DECOMPRESS_DECOMPRESS)(
+	IN EFI_DECOMPRESS_PROTOCOL *This,
+	IN VOID *Source,
+	IN UINT32 SourceSize,
+	IN OUT VOID *Destination,
+	IN UINT32 DestinationSize,
+	IN OUT VOID *Scratch,
+	IN UINT32 ScratchSize
+);
+
+typedef struct _EFI_DECOMPRESS_PROTOCOL {
+	EFI_DECOMPRESS_GET_INFO GetInfo;
+	EFI_DECOMPRESS_DECOMPRESS Decompress;
+} EFI_DECOMPRESS_PROTOCOL;
+
+#endif /* EFI_PROTOCOLS_DECOMPRESS_H */