diff --git a/firmware/README b/firmware/README
index 6ded0231..07fb628d 100644
--- a/firmware/README
+++ b/firmware/README
@@ -6,7 +6,7 @@ projects.  The cpld directory contains HDL source for the CPLD.
 
 The firmware is set up for compilation with the GCC toolchain available here:
 
-https://launchpad.net/gcc-arm-embedded
+https://developer.arm.com/open-source/gnu-toolchain/gnu-rm/downloads
 
 Required dependency: