diff --git a/tools/toolchain/scripts/stage1/install_mpich.sh b/tools/toolchain/scripts/stage1/install_mpich.sh
index ad666f0fea..e28f7efacf 100755
--- a/tools/toolchain/scripts/stage1/install_mpich.sh
+++ b/tools/toolchain/scripts/stage1/install_mpich.sh
@@ -6,8 +6,8 @@
 [ "${BASH_SOURCE[0]}" ] && SCRIPT_NAME="${BASH_SOURCE[0]}" || SCRIPT_NAME=$0
 SCRIPT_DIR="$(cd "$(dirname "$SCRIPT_NAME")/.." && pwd -P)"
 
-mpich_ver="4.3.0"
-mpich_sha256="5e04132984ad83cab9cc53f76072d2b5ef5a6d24b0a9ff9047a8ff96121bcc63"
+mpich_ver="4.3.1"
+mpich_sha256="acc11cb2bdc69678dc8bba747c24a28233c58596f81f03785bf2b7bb7a0ef7dc"
 mpich_pkg="mpich-${mpich_ver}.tar.gz"
 
 source "${SCRIPT_DIR}"/common_vars.sh