diff --git a/lib/std/Target.zig b/lib/std/Target.zig
index 41e754d2fb50..d6621969576f 100644
--- a/lib/std/Target.zig
+++ b/lib/std/Target.zig
@@ -979,26 +979,38 @@ pub const Cpu = struct {
     };
 
     pub const Arch = enum {
+        alpha,
         arm,
         armeb,
         aarch64,
         aarch64_be,
         aarch64_32,
         arc,
+        arc64,
         avr,
         bpfel,
         bpfeb,
         csky,
         dxil,
         hexagon,
+        hppa,
+        hppa64,
+        kvx,
         loongarch32,
         loongarch64,
         m68k,
+        microblaze,
+        microblazeel
+        microblaze64,
+        microblaze64el,
         mips,
         mipsel,
         mips64,
         mips64el,
+        moxie,
+        moxieel,
         msp430,
+        or1k,
         powerpc,
         powerpcle,
         powerpc64,
@@ -1007,15 +1019,19 @@ pub const Cpu = struct {
         riscv32,
         riscv64,
         sparc,
-        sparc64,
         sparcel,
+        sparc64,
+        sparc64el,
         s390x,
+        sh,
+        sheb,
         thumb,
         thumbeb,
         x86,
         x86_64,
         xcore,
         xtensa,
+        xtensaeb,
         nvptx,
         nvptx64,
         spir,