diff --git a/0020-libgomp-Don-t-hard-code-MS-printf-attributes.patch b/0020-libgomp-Don-t-hard-code-MS-printf-attributes.patch
new file mode 100644
index 0000000..0f1bfa7
--- /dev/null
+++ b/0020-libgomp-Don-t-hard-code-MS-printf-attributes.patch
@@ -0,0 +1,40 @@
+diff -rupN --no-dereference gcc-10.2.1-20200723/libgomp/libgomp.h gcc-10.2.1-20200723-new/libgomp/libgomp.h
+--- gcc-10.2.1-20200723/libgomp/libgomp.h	2020-07-23 11:18:20.000000000 +0200
++++ gcc-10.2.1-20200723-new/libgomp/libgomp.h	2021-01-19 21:29:10.649983667 +0100
+@@ -69,6 +69,13 @@
+ # endif
+ #endif
+ 
++#include <stdio.h>
++#ifdef __MINGW_PRINTF_FORMAT
++#define PRINTF_FORMAT __MINGW_PRINTF_FORMAT
++#else
++#define PRINTF_FORMAT printf
++#endif
++
+ #ifdef HAVE_ATTRIBUTE_VISIBILITY
+ # pragma GCC visibility push(hidden)
+ #endif
+@@ -173,7 +180,7 @@ team_free (void *ptr)
+ 
+ extern void gomp_vdebug (int, const char *, va_list);
+ extern void gomp_debug (int, const char *, ...)
+-	__attribute__ ((format (printf, 2, 3)));
++	__attribute__ ((format (PRINTF_FORMAT, 2, 3)));
+ #define gomp_vdebug(KIND, FMT, VALIST) \
+   do { \
+     if (__builtin_expect (gomp_debug_var, 0)) \
+@@ -186,11 +193,11 @@ extern void gomp_debug (int, const char
+   } while (0)
+ extern void gomp_verror (const char *, va_list);
+ extern void gomp_error (const char *, ...)
+-	__attribute__ ((format (printf, 1, 2)));
++	__attribute__ ((format (PRINTF_FORMAT, 1, 2)));
+ extern void gomp_vfatal (const char *, va_list)
+ 	__attribute__ ((noreturn));
+ extern void gomp_fatal (const char *, ...)
+-	__attribute__ ((noreturn, format (printf, 1, 2)));
++	__attribute__ ((noreturn, format (PRINTF_FORMAT, 1, 2)));
+ 
+ struct gomp_task;
+ struct gomp_taskgroup;
diff --git a/mingw-gcc.spec b/mingw-gcc.spec
index 41d678b..dcdff5e 100644
--- a/mingw-gcc.spec
+++ b/mingw-gcc.spec
@@ -30,7 +30,7 @@
 
 Name:           mingw-gcc
 Version:        %{gcc_version}
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        MinGW Windows cross-compiler (GCC) for C
 
 License:        GPLv3+ and GPLv3+ with exceptions and GPLv2+ with exceptions
@@ -45,9 +45,12 @@ URL:            http://gcc.gnu.org
 %global srcdir gcc-%{version}-%{DATE}
 Source0: %{srcdir}.tar.xz
 Patch0: mingw-gcc-config.patch
+# See https://sourceforge.net/p/mingw-w64/mailman/mingw-w64-public/thread/8fd2fb03-9b8a-07e1-e162-0bb48bcc3984%40gmail.com/#msg37200751
+Patch1: 0020-libgomp-Don-t-hard-code-MS-printf-attributes.patch
 
 BuildRequires:	autoconf
 BuildRequires:  gcc-c++
+BuildRequires:  make
 BuildRequires:  texinfo
 BuildRequires:  mingw32-filesystem >= 95
 BuildRequires:  mingw64-filesystem >= 95
@@ -666,6 +669,9 @@ ln -sf %{mingw64_bindir}/libssp-0.dll %{buildroot}%{mingw64_libdir}/libssp.dll.a
 
 
 %changelog
+* Tue Jan 19 12:33:56 CET 2021 Sandro Mani <manisandro@gmail.com> - 10.2.1-2
+- Rebuild (mingw-w64)
+
 * Thu Dec 10 2020 Paolo Bonzini <pbonzini@redhat.com> - 10.2.1-3
 - Adjust ISL/CLOOG conditionals to look the same as native GCC