diff --git a/lib/std/zig/system/x86.zig b/lib/std/zig/system/x86.zig
index bda9a17c952b81dace8fc68920a7d534e5a4f03b..0b645ae8e345bd236757a6a73cf8cfb506d15851 100644
--- a/lib/std/zig/system/x86.zig
+++ b/lib/std/zig/system/x86.zig
@@ -311,6 +311,10 @@ fn detectAMDProcessor(cpu: *Target.Cpu, family: u32, model: u32) void {
             }
             return;
         },
+        25 => {
+            cpu.model = &Target.x86.cpu.znver3;
+            return;
+        },
         else => {
             return;
         },