diff --git a/util/crossgcc/buildgcc b/util/crossgcc/buildgcc
index 66fdf91c07..8dd25b5410 100755
--- a/util/crossgcc/buildgcc
+++ b/util/crossgcc/buildgcc
@@ -50,7 +50,7 @@ IASL_VERSION=20241212	# ACPI compiler
 
 # Clang/LLVM Toolchain (alternative to GCC, built separately)
 CLANG_VERSION=18.1.8
-CMAKE_VERSION=3.31.3	# Required for building Clang
+CMAKE_VERSION=4.0.3	# Required for building Clang
 
 # Architecture-specific options
 RISCV_ISA_SPEC=20191213
diff --git a/util/crossgcc/sum/cmake-3.31.3.tar.gz.cksum b/util/crossgcc/sum/cmake-3.31.3.tar.gz.cksum
deleted file mode 100644
index cef715c2d6..0000000000
--- a/util/crossgcc/sum/cmake-3.31.3.tar.gz.cksum
+++ /dev/null
@@ -1 +0,0 @@
-7ce645495d3c79e0a5763fff08c5a78aea877258  tarballs/cmake-3.31.3.tar.gz
diff --git a/util/crossgcc/sum/cmake-4.0.3.tar.gz.cksum b/util/crossgcc/sum/cmake-4.0.3.tar.gz.cksum
new file mode 100644
index 0000000000..627deeef6e
--- /dev/null
+++ b/util/crossgcc/sum/cmake-4.0.3.tar.gz.cksum
@@ -0,0 +1 @@
+6899c8d69ba2bf1f24c6f27bcea4162e1488694b  tarballs/cmake-4.0.3.tar.gz