Index: PLATFORMS.md
==================================================================
--- PLATFORMS.md
+++ PLATFORMS.md
@@ -202,10 +202,11 @@
 
   * ARM (EABI/ELF, Apple/Mach-O)
   * ARM64 (ARM64/ELF, Apple/Mach-O)
   * MIPS (O32/ELF, EABI/ELF)
   * PPC (SysV/ELF, EABI/ELF, Apple/Mach-O)
+  * SPARC64 (SysV/ELF)
   * x86 (SysV/ELF, Apple/Mach-O, Win32/PE)
   * x86_64 (SysV/ELF, Apple/Mach-O, Mach-O, Win64/PE)
 
 Apple/Mach-O means both, the Apple ABI and runtime, while Mach-O means the
 ObjFW runtime on Mach-O.