diff --git a/ports/libgmp/libgmp.patch b/ports/libgmp/libgmp.patch
index 69a76486..db4a81c3 100644
--- a/ports/libgmp/libgmp.patch
+++ b/ports/libgmp/libgmp.patch
@@ -1,7 +1,7 @@
 diff -Paur --no-dereference -- libgmp.upstream/gmp-h.in libgmp/gmp-h.in
 --- libgmp.upstream/gmp-h.in
 +++ libgmp/gmp-h.in
-@@ -250,6 +250,7 @@
+@@ -253,6 +253,7 @@
  /* For reference, "defined(EOF)" cannot be used here.  In g++ 2.95.4,
     <iostream> defines EOF but not FILE.  */
  #if defined (FILE)                                              \
diff --git a/ports/libgmp/libgmp.port b/ports/libgmp/libgmp.port
index 2672d9ba..4d04c49d 100644
--- a/ports/libgmp/libgmp.port
+++ b/ports/libgmp/libgmp.port
@@ -1,10 +1,10 @@
 NAME=libgmp
 BUILD_LIBRARIES=libstdc++
-VERSION=6.2.1
+VERSION=6.3.0
 DISTNAME=gmp-$VERSION
 COMPRESSION=tar.xz
 ARCHIVE=$DISTNAME.$COMPRESSION
-SHA256SUM=fd4829912cddd12f84181c3451cc752be224643e87fac497b69edddadc49b4f2
+SHA256SUM=a3c2b80201b89e68616f4ad30bc66aee4927c3ce50e33929ca819d5c43538898
 UPSTREAM_SITE=https://ftp.gnu.org/gnu/gmp
 UPSTREAM_ARCHIVE=$ARCHIVE
 LICENSE='GPL-2.0-or-later OR LGPL-3.0-or-later'
diff --git a/ports/libgmp/libgmp.rmpatch b/ports/libgmp/libgmp.rmpatch
new file mode 100644
index 00000000..17d575b6
--- /dev/null
+++ b/ports/libgmp/libgmp.rmpatch
@@ -0,0 +1,2 @@
+rm -rf -- 'tests/devel/test-add_ssaaaa.c'
+rm -rf -- 'tests/devel/test-sub_ddmmss.c'