diff --git a/.gitignore b/.gitignore
index 497ea0d..3ec62ff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /protobuf-3.11.4-all.tar.gz
 /protobuf-3.12.3-all.tar.gz
 /protobuf-3.13.0-all.tar.gz
+/protobuf-3.14.0-all.tar.gz
diff --git a/mingw-protobuf.spec b/mingw-protobuf.spec
index fe5404b..4696a42 100644
--- a/mingw-protobuf.spec
+++ b/mingw-protobuf.spec
@@ -3,15 +3,20 @@
 %global pkgname protobuf
 
 Name:          mingw-%{pkgname}
-Version:       3.13.0
-Release:       3%{?dist}
+Version:       3.14.0
+Release:       1%{?dist}
 Summary:       MinGW Windows protobuf library
 
 BuildArch:     noarch
 License:       BSD
 URL:           https://github.com/protocolbuffers/protobuf
-Source:        https://github.com/protocolbuffers/protobuf/archive/v%{version}/%{pkgname}-%{version}-all.tar.gz
-
+Source0:       https://github.com/protocolbuffers/protobuf/archive/v%{version}/%{pkgname}-%{version}-all.tar.gz
+# Disable some constexpr constructors, it triggers
+# error: call to non-'constexpr' function 'google::protobuf::internal::WrappedMutex::WrappedMutex()'
+# note: 'google::protobuf::internal::WrappedMutex::WrappedMutex()' is not usable as a 'constexpr' function because:
+# note: defaulted constructor calls non-'constexpr' 'std::mutex::mutex()'
+# TODO: Revisit with mingw-w64-8.0.0 and gcc-11
+Patch0:        protobuf_constexpr.patch
 
 BuildRequires: autoconf automake libtool
 BuildRequires: gcc-c++
@@ -103,9 +108,9 @@ find %{buildroot} -name '*.la' -exec rm -f {} ';'
 
 %files -n mingw32-%{pkgname}
 %license LICENSE
-%{mingw32_bindir}/libprotobuf-24.dll
-%{mingw32_bindir}/libprotobuf-lite-24.dll
-%{mingw32_bindir}/libprotoc-24.dll
+%{mingw32_bindir}/libprotobuf-25.dll
+%{mingw32_bindir}/libprotobuf-lite-25.dll
+%{mingw32_bindir}/libprotoc-25.dll
 %dir %{mingw32_includedir}/google
 %{mingw32_includedir}/google/protobuf/
 %{mingw32_libdir}/pkgconfig/protobuf-lite.pc
@@ -125,9 +130,9 @@ find %{buildroot} -name '*.la' -exec rm -f {} ';'
 
 %files -n mingw64-%{pkgname}
 %license LICENSE
-%{mingw64_bindir}/libprotobuf-24.dll
-%{mingw64_bindir}/libprotobuf-lite-24.dll
-%{mingw64_bindir}/libprotoc-24.dll
+%{mingw64_bindir}/libprotobuf-25.dll
+%{mingw64_bindir}/libprotobuf-lite-25.dll
+%{mingw64_bindir}/libprotoc-25.dll
 %dir %{mingw64_includedir}/google
 %{mingw64_includedir}/google/protobuf/
 %{mingw64_libdir}/pkgconfig/protobuf-lite.pc
@@ -146,6 +151,9 @@ find %{buildroot} -name '*.la' -exec rm -f {} ';'
 
 
 %changelog
+* Sun Jan 17 2021 Sandro Mani <manisandro@gmail.com> - 3.14.0-1
+- Update to 3.14.0
+
 * Thu Jan 14 08:33:00 CET 2021 Adrian Reber <adrian@lisas.de> - 3.13.0-3
 - Rebuilt for protobuf 3.14
 
diff --git a/protobuf_constexpr.patch b/protobuf_constexpr.patch
new file mode 100644
index 0000000..2fb8d49
--- /dev/null
+++ b/protobuf_constexpr.patch
@@ -0,0 +1,12 @@
+diff -rupN protobuf-3.14.0/src/google/protobuf/port_def.inc protobuf-3.14.0-new/src/google/protobuf/port_def.inc
+--- protobuf-3.14.0/src/google/protobuf/port_def.inc	2020-11-13 21:53:39.000000000 +0100
++++ protobuf-3.14.0-new/src/google/protobuf/port_def.inc	2021-01-17 20:50:07.711557917 +0100
+@@ -563,7 +563,7 @@
+ // Some constructors can't be constexpr under MSVC, but given that MSVC will not
+ // do constant initialization of globals anyway we can omit `constexpr` from
+ // them. These constructors are marked with PROTOBUF_MAYBE_CONSTEXPR
+-#if defined(_MSC_VER)
++#if defined(_MSC_VER) || defined(__MINGW32__)
+ #define PROTOBUF_MAYBE_CONSTEXPR
+ #else
+ #define PROTOBUF_MAYBE_CONSTEXPR constexpr
diff --git a/sources b/sources
index 288703a..5c2cb1b 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (protobuf-3.13.0-all.tar.gz) = 514efa65fc8a36bc0791e6d39bdfb07b2689e9c2a4b82536c657859b800e7bc1e1a0ae86a7ee33f30c43a473a49b5c346ce830ac0057b6da104ed37f90b8b0fd
+SHA512 (protobuf-3.14.0-all.tar.gz) = 9dabba81119cb6196ef5de382a1032c57f6e69038f4dce0156f8671b98e51bb5095915fb6d05bb5a8ad8b17b559e652e1e9a392dd30c7ed8dcf1d986c137be11