diff --git a/unix/linux/types.go b/unix/linux/types.go
index 25b92793..389eed4b 100644
--- a/unix/linux/types.go
+++ b/unix/linux/types.go
@@ -447,6 +447,10 @@ struct my_can_bittiming_const {
 #define RISCV_HWPROBE_KEY_IMA_EXT_0	4
 #define		RISCV_HWPROBE_IMA_FD		(1 << 0)
 #define		RISCV_HWPROBE_IMA_C		(1 << 1)
+#define		RISCV_HWPROBE_IMA_V		(1 << 2)
+#define		RISCV_HWPROBE_EXT_ZBA		(1 << 3)
+#define		RISCV_HWPROBE_EXT_ZBB		(1 << 4)
+#define		RISCV_HWPROBE_EXT_ZBS		(1 << 5)
 #define RISCV_HWPROBE_KEY_CPUPERF_0	5
 #define		RISCV_HWPROBE_MISALIGNED_UNKNOWN	(0 << 0)
 #define		RISCV_HWPROBE_MISALIGNED_EMULATED	(1 << 0)
@@ -5793,6 +5797,10 @@ const (
 	RISCV_HWPROBE_KEY_IMA_EXT_0          = C.RISCV_HWPROBE_KEY_IMA_EXT_0
 	RISCV_HWPROBE_IMA_FD                 = C.RISCV_HWPROBE_IMA_FD
 	RISCV_HWPROBE_IMA_C                  = C.RISCV_HWPROBE_IMA_C
+	RISCV_HWPROBE_IMA_V                  = C.RISCV_HWPROBE_IMA_V
+	RISCV_HWPROBE_EXT_ZBA                = C.RISCV_HWPROBE_EXT_ZBA
+	RISCV_HWPROBE_EXT_ZBB                = C.RISCV_HWPROBE_EXT_ZBB
+	RISCV_HWPROBE_EXT_ZBS                = C.RISCV_HWPROBE_EXT_ZBS
 	RISCV_HWPROBE_KEY_CPUPERF_0          = C.RISCV_HWPROBE_KEY_CPUPERF_0
 	RISCV_HWPROBE_MISALIGNED_UNKNOWN     = C.RISCV_HWPROBE_MISALIGNED_UNKNOWN
 	RISCV_HWPROBE_MISALIGNED_EMULATED    = C.RISCV_HWPROBE_MISALIGNED_EMULATED
diff --git a/unix/ztypes_linux_riscv64.go b/unix/ztypes_linux_riscv64.go
index 83c69c11..1b4c97c3 100644
--- a/unix/ztypes_linux_riscv64.go
+++ b/unix/ztypes_linux_riscv64.go
@@ -733,6 +733,10 @@ const (
 	RISCV_HWPROBE_KEY_IMA_EXT_0          = 0x4
 	RISCV_HWPROBE_IMA_FD                 = 0x1
 	RISCV_HWPROBE_IMA_C                  = 0x2
+	RISCV_HWPROBE_IMA_V                  = 0x4
+	RISCV_HWPROBE_EXT_ZBA                = 0x8
+	RISCV_HWPROBE_EXT_ZBB                = 0x10
+	RISCV_HWPROBE_EXT_ZBS                = 0x20
 	RISCV_HWPROBE_KEY_CPUPERF_0          = 0x5
 	RISCV_HWPROBE_MISALIGNED_UNKNOWN     = 0x0
 	RISCV_HWPROBE_MISALIGNED_EMULATED    = 0x1