diff --git a/util/crossgcc/buildgcc b/util/crossgcc/buildgcc
index 503ca50b09..548bb537d3 100755
--- a/util/crossgcc/buildgcc
+++ b/util/crossgcc/buildgcc
@@ -45,7 +45,7 @@ PYTHON_VERSION=3.8.5
 EXPAT_VERSION=2.2.9
 # CLANG version number
 CLANG_VERSION=9.0.0
-CMAKE_VERSION=3.16.2
+CMAKE_VERSION=3.18.1
 NASM_VERSION=2.15.03
 
 # GCC toolchain archive locations
@@ -66,7 +66,7 @@ LLVM_ARCHIVE="https://releases.llvm.org/${CLANG_VERSION}/llvm-${CLANG_VERSION}.s
 CFE_ARCHIVE="https://releases.llvm.org/${CLANG_VERSION}/cfe-${CLANG_VERSION}.src.tar.xz"
 CRT_ARCHIVE="https://releases.llvm.org/${CLANG_VERSION}/compiler-rt-${CLANG_VERSION}.src.tar.xz"
 CTE_ARCHIVE="https://releases.llvm.org/${CLANG_VERSION}/clang-tools-extra-${CLANG_VERSION}.src.tar.xz"
-CMAKE_ARCHIVE="https://cmake.org/files/v3.16/cmake-${CMAKE_VERSION}.tar.gz"
+CMAKE_ARCHIVE="https://cmake.org/files/v3.18/cmake-${CMAKE_VERSION}.tar.gz"
 NASM_ARCHIVE="https://www.nasm.us/pub/nasm/releasebuilds/${NASM_VERSION}/nasm-${NASM_VERSION}.tar.bz2"
 
 ALL_ARCHIVES="$GMP_ARCHIVE $MPFR_ARCHIVE $MPC_ARCHIVE \
diff --git a/util/crossgcc/sum/cmake-3.16.2.tar.gz.cksum b/util/crossgcc/sum/cmake-3.16.2.tar.gz.cksum
deleted file mode 100644
index c5190b2373..0000000000
--- a/util/crossgcc/sum/cmake-3.16.2.tar.gz.cksum
+++ /dev/null
@@ -1 +0,0 @@
-f514dbd9aa8332a28ba62dd8ce97b0aa0b099491  tarballs/cmake-3.16.2.tar.gz
diff --git a/util/crossgcc/sum/cmake-3.18.1.tar.gz.cksum b/util/crossgcc/sum/cmake-3.18.1.tar.gz.cksum
new file mode 100644
index 0000000000..c4f3ed29d3
--- /dev/null
+++ b/util/crossgcc/sum/cmake-3.18.1.tar.gz.cksum
@@ -0,0 +1 @@
+60c36386d0df016adc96c8bb3215d02de3777869  tarballs/cmake-3.18.1.tar.gz