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+++ b/README.md
@@ -72,6 +72,10 @@ for i in {1..8192}; do echo -e '\x00' >> build/platform/generic/firmware/fw_dyna
 
 ## Building U-Boot
 
+Required dependencies:
+
+* riscv64-linux-gnu-gcc
+
 The boot flow is not supported by upstream U-Boot.
 There are several T-Head-specific forks that implement it for the Linux kernel,
 but none that support regular ELF binaries.