diff --git a/util/crossgcc/buildgcc b/util/crossgcc/buildgcc
index 272a127..a526b50 100755
--- a/util/crossgcc/buildgcc
+++ b/util/crossgcc/buildgcc
@@ -36,7 +36,7 @@
 # GCC toolchain version numbers
 GMP_VERSION=6.2.1
 MPFR_VERSION=4.1.1
-MPC_VERSION=1.2.1
+MPC_VERSION=1.3.1
 GCC_VERSION=11.2.0
 BINUTILS_VERSION=2.37
 IASL_VERSION="R10_20_22"
diff --git a/util/crossgcc/sum/mpc-1.2.1.tar.gz.cksum b/util/crossgcc/sum/mpc-1.2.1.tar.gz.cksum
deleted file mode 100644
index 84254eb..0000000
--- a/util/crossgcc/sum/mpc-1.2.1.tar.gz.cksum
+++ /dev/null
@@ -1 +0,0 @@
-2a4919abf445c6eda4e120cd669b8733ce337227  tarballs/mpc-1.2.1.tar.gz
diff --git a/util/crossgcc/sum/mpc-1.3.1.tar.gz.cksum b/util/crossgcc/sum/mpc-1.3.1.tar.gz.cksum
new file mode 100644
index 0000000..67962f6
--- /dev/null
+++ b/util/crossgcc/sum/mpc-1.3.1.tar.gz.cksum
@@ -0,0 +1 @@
+bac1c1fa79f5602df1e29e4684e103ad55714e02  tarballs/mpc-1.3.1.tar.gz