diff --git a/make/project.mk b/make/project.mk
index c867da358f..a56025660c 100644
--- a/make/project.mk
+++ b/make/project.mk
@@ -493,7 +493,7 @@ TOOLCHAIN_COMMIT_DESC := $(shell $(CC) --version | sed -E -n 's|xtensa-esp32-elf
 TOOLCHAIN_GCC_VER := $(shell $(CC) --version | sed -E -n 's|xtensa-esp32-elf-gcc.*\ \(.*\)\ (.*)|\1|gp')
 
 # Officially supported version(s)
-SUPPORTED_TOOLCHAIN_COMMIT_DESC := crosstool-NG crosstool-ng-1.22.0-61-gab8375a
+SUPPORTED_TOOLCHAIN_COMMIT_DESC := crosstool-NG crosstool-ng-1.22.0-70-gfa0bad1b
 SUPPORTED_TOOLCHAIN_GCC_VERSIONS := 5.2.0
 
 ifdef TOOLCHAIN_COMMIT_DESC