diff --git a/meta/recipes-support/mpfr/mpfr_4.2.0.bb b/meta/recipes-support/mpfr/mpfr_4.2.1.bb
similarity index 91%
rename from meta/recipes-support/mpfr/mpfr_4.2.0.bb
rename to meta/recipes-support/mpfr/mpfr_4.2.1.bb
index 31804382e0..a2067e1036 100644
--- a/meta/recipes-support/mpfr/mpfr_4.2.0.bb
+++ b/meta/recipes-support/mpfr/mpfr_4.2.1.bb
@@ -12,7 +12,7 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=1ebbd3e34237af26da5dc08a4e440464 \
 DEPENDS = "gmp autoconf-archive-native"
 
 SRC_URI = "https://www.mpfr.org/mpfr-${PV}/mpfr-${PV}.tar.xz"
-SRC_URI[sha256sum] = "06a378df13501248c1b2db5aa977a2c8126ae849a9d9b7be2546fb4a9c26d993"
+SRC_URI[sha256sum] = "277807353a6726978996945af13e52829e3abd7a9a5b7fb2793894e18f1fcbb2"
 
 UPSTREAM_CHECK_URI = "http://www.mpfr.org/mpfr-current/"