diff --git a/lib/std/c/darwin.zig b/lib/std/c/darwin.zig
index fa121c49c5..cc195f2bf0 100644
--- a/lib/std/c/darwin.zig
+++ b/lib/std/c/darwin.zig
@@ -3028,6 +3028,8 @@ pub const CPUFAMILY = enum(u32) {
     ARM_VORTEX_TEMPEST = 0x07d34b9f,
     ARM_LIGHTNING_THUNDER = 0x462504d2,
     ARM_FIRESTORM_ICESTORM = 0x1b588bb3,
+    ARM_BLIZZARD_AVALANCHE = 0xda33d83d,
+    ARM_EVEREST_SAWTOOTH = 0x8765edea,
     _,
 };
 
diff --git a/lib/std/zig/system/darwin/macos.zig b/lib/std/zig/system/darwin/macos.zig
index 6717b1319f..e513b5f515 100644
--- a/lib/std/zig/system/darwin/macos.zig
+++ b/lib/std/zig/system/darwin/macos.zig
@@ -428,6 +428,8 @@ pub fn detectNativeCpuAndFeatures() ?Target.Cpu {
     switch (current_arch) {
         .aarch64, .aarch64_be, .aarch64_32 => {
             const model = switch (cpu_family) {
+                .ARM_EVEREST_SAWTOOTH => &Target.aarch64.cpu.apple_a16,
+                .ARM_BLIZZARD_AVALANCHE => &Target.aarch64.cpu.apple_a15,
                 .ARM_FIRESTORM_ICESTORM => &Target.aarch64.cpu.apple_a14,
                 .ARM_LIGHTNING_THUNDER => &Target.aarch64.cpu.apple_a13,
                 .ARM_VORTEX_TEMPEST => &Target.aarch64.cpu.apple_a12,