Index: PLATFORMS.md
==================================================================
--- PLATFORMS.md
+++ PLATFORMS.md
@@ -97,13 +97,14 @@
 
 
 Linux
 -----
 
-  * Architectures: Alpha, AMD64, ARMv6, ARMv7, ARM64, Itanium, m68k, MIPS (O32),
-                   MIPS64 (N64), RISC-V 64, PowerPC, S390x, SuperH-4, x86
-  * Compilers: Clang 3.0-10.0, GCC 4.6-10.0
+  * Architectures: Alpha, AMD64, ARMv5, ARMv6, ARMv7, ARM64, Itanium, m68k,
+                   MIPS (O32), MIPS64 (N64), RISC-V 64, PA-RISC, PowerPC,
+                   PowerPC 64, S390x, SuperH-4, x86
+  * Compilers: Clang 3.0-18.1.1, GCC 4.6-14.1.1
   * C libraries: glibc, musl
   * Runtimes: ObjFW
 
 
 macOS