diff --git a/util/crossgcc/buildgcc b/util/crossgcc/buildgcc
index c7f63c3bee..9c10c7d56e 100755
--- a/util/crossgcc/buildgcc
+++ b/util/crossgcc/buildgcc
@@ -60,7 +60,7 @@ EXPAT_VERSION=2.2.7
 # CLANG version number
 CLANG_VERSION=8.0.0
 MAKE_VERSION=4.2.1
-CMAKE_VERSION=3.15.0
+CMAKE_VERSION=3.15.3
 NASM_VERSION=2.14.02
 
 # GCC toolchain archive locations
diff --git a/util/crossgcc/sum/cmake-3.15.0.tar.gz.cksum b/util/crossgcc/sum/cmake-3.15.0.tar.gz.cksum
deleted file mode 100644
index 3ec1605c5d..0000000000
--- a/util/crossgcc/sum/cmake-3.15.0.tar.gz.cksum
+++ /dev/null
@@ -1 +0,0 @@
-0a1c3870d566061da8b9ed02bbfe17a39c7bf3cd  tarballs/cmake-3.15.0.tar.gz
diff --git a/util/crossgcc/sum/cmake-3.15.3.tar.gz.cksum b/util/crossgcc/sum/cmake-3.15.3.tar.gz.cksum
new file mode 100644
index 0000000000..c4676767e6
--- /dev/null
+++ b/util/crossgcc/sum/cmake-3.15.3.tar.gz.cksum
@@ -0,0 +1 @@
+f467388ba336ea3652f5800918a72cfcc4f7f403  tarballs/cmake-3.15.3.tar.gz