diff --git a/util/crossgcc/buildgcc b/util/crossgcc/buildgcc
index b78637ad28..5dac074a06 100755
--- a/util/crossgcc/buildgcc
+++ b/util/crossgcc/buildgcc
@@ -58,7 +58,7 @@ IASL_VERSION=20190703
 PYTHON_VERSION=3.8.0
 EXPAT_VERSION=2.2.9
 # CLANG version number
-CLANG_VERSION=8.0.0
+CLANG_VERSION=9.0.0
 MAKE_VERSION=4.2.1
 CMAKE_VERSION=3.16.0
 NASM_VERSION=2.14.02
diff --git a/util/crossgcc/sum/cfe-8.0.0.src.tar.xz.cksum b/util/crossgcc/sum/cfe-8.0.0.src.tar.xz.cksum
deleted file mode 100644
index 45225c1ce8..0000000000
--- a/util/crossgcc/sum/cfe-8.0.0.src.tar.xz.cksum
+++ /dev/null
@@ -1 +0,0 @@
-3cb1e10af3955174a3ca5e560f674f24fac2a02f  tarballs/cfe-8.0.0.src.tar.xz
diff --git a/util/crossgcc/sum/cfe-9.0.0.src.tar.xz.cksum b/util/crossgcc/sum/cfe-9.0.0.src.tar.xz.cksum
new file mode 100644
index 0000000000..e39bea12bb
--- /dev/null
+++ b/util/crossgcc/sum/cfe-9.0.0.src.tar.xz.cksum
@@ -0,0 +1 @@
+6977cf7a802a053c57fa74138d3648b563e71e88  tarballs/cfe-9.0.0.src.tar.xz
diff --git a/util/crossgcc/sum/clang-tools-extra-8.0.0.src.tar.xz.cksum b/util/crossgcc/sum/clang-tools-extra-8.0.0.src.tar.xz.cksum
deleted file mode 100644
index 4a689aba75..0000000000
--- a/util/crossgcc/sum/clang-tools-extra-8.0.0.src.tar.xz.cksum
+++ /dev/null
@@ -1 +0,0 @@
-f341ba17494ba756fd404b2744e6f5991b50389f  tarballs/clang-tools-extra-8.0.0.src.tar.xz
diff --git a/util/crossgcc/sum/clang-tools-extra-9.0.0.src.tar.xz.cksum b/util/crossgcc/sum/clang-tools-extra-9.0.0.src.tar.xz.cksum
new file mode 100644
index 0000000000..47eba2cca0
--- /dev/null
+++ b/util/crossgcc/sum/clang-tools-extra-9.0.0.src.tar.xz.cksum
@@ -0,0 +1 @@
+ac64403321d8486699d8bea5376b2438663dbb41  tarballs/clang-tools-extra-9.0.0.src.tar.xz
diff --git a/util/crossgcc/sum/compiler-rt-8.0.0.src.tar.xz.cksum b/util/crossgcc/sum/compiler-rt-8.0.0.src.tar.xz.cksum
deleted file mode 100644
index 2f6cc29250..0000000000
--- a/util/crossgcc/sum/compiler-rt-8.0.0.src.tar.xz.cksum
+++ /dev/null
@@ -1 +0,0 @@
-5af387779120bb2a9fad5d6fff1a3d6f4fa6c352  tarballs/compiler-rt-8.0.0.src.tar.xz
diff --git a/util/crossgcc/sum/compiler-rt-9.0.0.src.tar.xz.cksum b/util/crossgcc/sum/compiler-rt-9.0.0.src.tar.xz.cksum
new file mode 100644
index 0000000000..15f1a61e70
--- /dev/null
+++ b/util/crossgcc/sum/compiler-rt-9.0.0.src.tar.xz.cksum
@@ -0,0 +1 @@
+4e00cb231ff87fd4f970f35b2da86185a612e0e2  tarballs/compiler-rt-9.0.0.src.tar.xz
diff --git a/util/crossgcc/sum/llvm-8.0.0.src.tar.xz.cksum b/util/crossgcc/sum/llvm-8.0.0.src.tar.xz.cksum
deleted file mode 100644
index 078a3d0f31..0000000000
--- a/util/crossgcc/sum/llvm-8.0.0.src.tar.xz.cksum
+++ /dev/null
@@ -1 +0,0 @@
-0689345d73911e24a07b24cc82dab4fb46b8c323  tarballs/llvm-8.0.0.src.tar.xz
diff --git a/util/crossgcc/sum/llvm-9.0.0.src.tar.xz.cksum b/util/crossgcc/sum/llvm-9.0.0.src.tar.xz.cksum
new file mode 100644
index 0000000000..4fb1c2daad
--- /dev/null
+++ b/util/crossgcc/sum/llvm-9.0.0.src.tar.xz.cksum
@@ -0,0 +1 @@
+7ef2527ba3da7603a41ce3592a8cd890f8d27ffa  tarballs/llvm-9.0.0.src.tar.xz