diff --git a/util/crossgcc/buildgcc b/util/crossgcc/buildgcc
index 03c24da1be9..62ef89f9fbd 100755
--- a/util/crossgcc/buildgcc
+++ b/util/crossgcc/buildgcc
@@ -52,7 +52,8 @@ MPFR_ARCHIVE="https://ftpmirror.gnu.org/mpfr/mpfr-${MPFR_VERSION}.tar.xz"
 MPC_ARCHIVE="https://ftpmirror.gnu.org/mpc/mpc-${MPC_VERSION}.tar.gz"
 GCC_ARCHIVE="https://ftpmirror.gnu.org/gcc/gcc-${GCC_VERSION}/gcc-${GCC_VERSION}.tar.xz"
 BINUTILS_ARCHIVE="https://ftpmirror.gnu.org/binutils/binutils-${BINUTILS_VERSION}.tar.xz"
-IASL_ARCHIVE="https://acpica.org/sites/acpica/files/acpica-unix2-${IASL_VERSION}.tar.gz"
+# acpica.org links rotted, use Intel mirror for 20220331
+IASL_ARCHIVE="https://downloadmirror.intel.com/774879/acpica-unix2-${IASL_VERSION}.tar.gz"
 # CLANG toolchain archive locations
 LLVM_ARCHIVE="https://github.com/llvm/llvm-project/releases/download/llvmorg-${CLANG_VERSION}/llvm-${CLANG_VERSION}.src.tar.xz"
 CLANG_ARCHIVE="https://github.com/llvm/llvm-project/releases/download/llvmorg-${CLANG_VERSION}/clang-${CLANG_VERSION}.src.tar.xz"