diff --git a/include/grub/efi/pe32.h b/include/grub/efi/pe32.h
index 207b0382e..0ed8781f0 100644
--- a/include/grub/efi/pe32.h
+++ b/include/grub/efi/pe32.h
@@ -77,6 +77,8 @@ struct grub_pe32_coff_header
 #define GRUB_PE32_MACHINE_X86_64		0x8664
 #define GRUB_PE32_MACHINE_ARMTHUMB_MIXED	0x01c2
 #define GRUB_PE32_MACHINE_ARM64			0xAA64
+#define GRUB_PE32_MACHINE_RISCV32		0x5032
+#define GRUB_PE32_MACHINE_RISCV64		0x5064
 
 #define GRUB_PE32_RELOCS_STRIPPED		0x0001
 #define GRUB_PE32_EXECUTABLE_IMAGE		0x0002
@@ -288,9 +290,12 @@ struct grub_pe32_fixup_block
 #define GRUB_PE32_REL_BASED_HIGHADJ	4
 #define GRUB_PE32_REL_BASED_MIPS_JMPADDR 5
 #define GRUB_PE32_REL_BASED_ARM_MOV32A  5
+#define GRUB_PE32_REL_BASED_RISCV_HI20	5
 #define GRUB_PE32_REL_BASED_SECTION	6
 #define GRUB_PE32_REL_BASED_REL		7
 #define GRUB_PE32_REL_BASED_ARM_MOV32T  7
+#define GRUB_PE32_REL_BASED_RISCV_LOW12I 7
+#define GRUB_PE32_REL_BASED_RISCV_LOW12S 8
 #define GRUB_PE32_REL_BASED_IA64_IMM64	9
 #define GRUB_PE32_REL_BASED_DIR64	10
 #define GRUB_PE32_REL_BASED_HIGH3ADJ	11