diff --git a/util/crossgcc/buildgcc b/util/crossgcc/buildgcc
index 714644125f..4c327d14f3 100755
--- a/util/crossgcc/buildgcc
+++ b/util/crossgcc/buildgcc
@@ -41,7 +41,7 @@ MPC_VERSION=1.3.1
 GCC_VERSION=14.2.0
 LIBSTDCXX_VERSION="${GCC_VERSION}"
 BINUTILS_VERSION=2.43.1
-IASL_VERSION="20230628"
+IASL_VERSION=20241212
 # CLANG version number
 CLANG_VERSION=18.1.8
 CMAKE_VERSION=3.30.2
@@ -77,7 +77,7 @@ MPC_BASE_URL="https://ftpmirror.gnu.org/mpc"
 GCC_BASE_URL="https://ftpmirror.gnu.org/gcc/gcc-${GCC_VERSION}"
 LIBSTDCXX_BASE_URL="${GCC_BASE_URL}"
 BINUTILS_BASE_URL="https://ftpmirror.gnu.org/binutils"
-IASL_BASE_URL="https://downloadmirror.intel.com/783534"
+IASL_BASE_URL="https://github.com/acpica/acpica/releases/download/R2024_12_12"
 # CLANG toolchain archive locations
 LLVM_BASE_URL="https://github.com/llvm/llvm-project/releases/download/llvmorg-${CLANG_VERSION}"
 CLANG_BASE_URL="https://github.com/llvm/llvm-project/releases/download/llvmorg-${CLANG_VERSION}"
diff --git a/util/crossgcc/patches/acpica-unix-20230628_iasl.patch b/util/crossgcc/patches/acpica-unix-20241212_iasl.patch
similarity index 100%
rename from util/crossgcc/patches/acpica-unix-20230628_iasl.patch
rename to util/crossgcc/patches/acpica-unix-20241212_iasl.patch
diff --git a/util/crossgcc/sum/acpica-unix-20230628.tar.gz.cksum b/util/crossgcc/sum/acpica-unix-20230628.tar.gz.cksum
deleted file mode 100644
index 9b676bb568..0000000000
--- a/util/crossgcc/sum/acpica-unix-20230628.tar.gz.cksum
+++ /dev/null
@@ -1 +0,0 @@
-3b893fb771cf3fbd3531de3036e1a5bfc624c9d2  tarballs/acpica-unix-20230628.tar.gz
diff --git a/util/crossgcc/sum/acpica-unix-20241212.tar.gz.cksum b/util/crossgcc/sum/acpica-unix-20241212.tar.gz.cksum
new file mode 100644
index 0000000000..6e69219baa
--- /dev/null
+++ b/util/crossgcc/sum/acpica-unix-20241212.tar.gz.cksum
@@ -0,0 +1 @@
+7f30cb188e46567527bc733c169ed2b4e18b825f  tarballs/acpica-unix-20241212.tar.gz