diff --git a/README.md b/README.md
index 80eb9f5..bcdcf36 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,7 @@ AVR is a popular family of micro-controllers, used for example in the [Arduino]
 - GCC 10.3.0 - provided as `avr-gcc@10`
 - GCC 11.3.0 - provided as `avr-gcc@11`
 - GCC 12.2.0 - provided as `avr-gcc@12`
+- GCC 13.2.0 - provided as `avr-gcc@13`
 - GCC 14.1.0 - provided as `avr-gcc@14`
 - Binutils 2.40.0 - provided as `avr-binutils`
 - AVR Libc 2.1.0 - provided as a resource for each GCC formula