diff --git a/poky/meta/recipes-support/gmp/gmp/cve-2021-43618.patch b/poky/meta/recipes-support/gmp/gmp/cve-2021-43618.patch
deleted file mode 100644
index 095fb21..0000000
--- a/poky/meta/recipes-support/gmp/gmp/cve-2021-43618.patch
+++ /dev/null
@@ -1,27 +0,0 @@
-CVE: CVE-2021-43618
-Upstream-Status: Backport
-Signed-off-by: Ross Burton <ross.burton@arm.com>
-
-# HG changeset patch
-# User Marco Bodrato <bodrato@mail.dm.unipi.it>
-# Date 1634836009 -7200
-# Node ID 561a9c25298e17bb01896801ff353546c6923dbd
-# Parent  e1fd9db13b475209a864577237ea4b9105b3e96e
-mpz/inp_raw.c: Avoid bit size overflows
-
-diff -r e1fd9db13b47 -r 561a9c25298e mpz/inp_raw.c
---- a/mpz/inp_raw.c	Tue Dec 22 23:49:51 2020 +0100
-+++ b/mpz/inp_raw.c	Thu Oct 21 19:06:49 2021 +0200
-@@ -88,8 +88,11 @@
- 
-   abs_csize = ABS (csize);
- 
-+  if (UNLIKELY (abs_csize > ~(mp_bitcnt_t) 0 / 8))
-+    return 0; /* Bit size overflows */
-+
-   /* round up to a multiple of limbs */
--  abs_xsize = BITS_TO_LIMBS (abs_csize*8);
-+  abs_xsize = BITS_TO_LIMBS ((mp_bitcnt_t) abs_csize * 8);
- 
-   if (abs_xsize != 0)
-     {
diff --git a/poky/meta/recipes-support/gmp/gmp_6.2.1.bb b/poky/meta/recipes-support/gmp/gmp_6.3.0.bb
similarity index 86%
rename from poky/meta/recipes-support/gmp/gmp_6.2.1.bb
rename to poky/meta/recipes-support/gmp/gmp_6.3.0.bb
index 2905549..3dbcd68 100644
--- a/poky/meta/recipes-support/gmp/gmp_6.2.1.bb
+++ b/poky/meta/recipes-support/gmp/gmp_6.3.0.bb
@@ -14,10 +14,8 @@
            file://use-includedir.patch \
            file://0001-Append-the-user-provided-flags-to-the-auto-detected-.patch \
            file://0001-confiure.ac-Believe-the-cflags-from-environment.patch \
-           file://cve-2021-43618.patch \
            "
-SRC_URI[md5sum] = "28971fc21cf028042d4897f02fd355ea"
-SRC_URI[sha256sum] = "eae9326beb4158c386e39a356818031bd28f3124cf915f8c5b1dc4c7a36b4d7c"
+SRC_URI[sha256sum] = "ac28211a7cfb609bae2e2c8d6058d66c8fe96434f740cf6fe2e47b000d1c20cb"
 
 acpaths = ""