diff --git a/postgresql/mingw-w64/0001-Use-.dll.a-as-extension-for-import-libraries.patch b/postgresql/mingw-w64/0001-Use-.dll.a-as-extension-for-import-libraries.patch
index cf6f0800..a5fd01fb 100644
--- a/postgresql/mingw-w64/0001-Use-.dll.a-as-extension-for-import-libraries.patch
+++ b/postgresql/mingw-w64/0001-Use-.dll.a-as-extension-for-import-libraries.patch
@@ -1,18 +1,8 @@
-From f2d760f71d3201219cc342913ecc535f9776946d Mon Sep 17 00:00:00 2001
-From: Martchus <martchus@gmx.net>
-Date: Fri, 27 Jul 2018 12:50:17 +0200
-Subject: [PATCH] Use *.dll.a as extension for import libraries
-
----
- src/Makefile.shlib   |  2 +-
- src/backend/Makefile | 12 ++++++------
- 2 files changed, 7 insertions(+), 7 deletions(-)
-
 diff --git a/src/Makefile.shlib b/src/Makefile.shlib
-index d546ed1f31..b2c2bef2d7 100644
+index 373d73c..f1941d4 100644
 --- a/src/Makefile.shlib
 +++ b/src/Makefile.shlib
-@@ -85,7 +85,7 @@ else
+@@ -86,7 +86,7 @@ else
  # Naming convention for dynamically loadable modules
  shlib		= $(NAME)$(DLSUFFIX)
  endif
@@ -22,15 +12,30 @@ index d546ed1f31..b2c2bef2d7 100644
  ifndef soname
  # additional flags for backend modules
 diff --git a/src/backend/Makefile b/src/backend/Makefile
-index 2640834d5f..51f127f0c9 100644
+index b03d5e5..e1b8755 100644
 --- a/src/backend/Makefile
 +++ b/src/backend/Makefile
-@@ -80,11 +80,11 @@ ifeq ($(PORTNAME), win32)
+@@ -69,11 +69,11 @@ endif
+ ifeq ($(PORTNAME), cygwin)
+ 
+ postgres: $(OBJS)
+-	$(CC) $(CFLAGS) $(call expand_subsys,$^) $(LDFLAGS) $(LDFLAGS_EX) $(export_dynamic) -Wl,--stack,$(WIN32_STACK_RLIMIT) -Wl,--export-all-symbols -Wl,--out-implib=libpostgres.a $(LIBS) -o $@
++	$(CC) $(CFLAGS) $(call expand_subsys,$^) $(LDFLAGS) $(LDFLAGS_EX) $(export_dynamic) -Wl,--stack,$(WIN32_STACK_RLIMIT) -Wl,--export-all-symbols -Wl,--out-implib=libpostgres.dll.a $(LIBS) -o $@
+ 
+-# libpostgres.a is actually built in the preceding rule, but we need this to
++# libpostgres.dll.a is actually built in the preceding rule, but we need this to
+ # ensure it's newer than postgres; see notes in src/backend/parser/Makefile
+-libpostgres.a: postgres
++libpostgres.dll.a: postgres
+ 	touch $@
+ 
+ endif # cygwin
+@@ -82,11 +82,11 @@ ifeq ($(PORTNAME), win32)
  LIBS += -lsecur32
  
  postgres: $(OBJS) $(WIN32RES)
--	$(CC) $(CFLAGS) $(LDFLAGS) $(LDFLAGS_EX) -Wl,--stack=$(WIN32_STACK_RLIMIT) -Wl,--export-all-symbols -Wl,--out-implib=libpostgres.a $(call expand_subsys,$(OBJS)) $(WIN32RES) $(LIBS) -o $@$(X)
-+	$(CC) $(CFLAGS) $(LDFLAGS) $(LDFLAGS_EX) -Wl,--stack=$(WIN32_STACK_RLIMIT) -Wl,--export-all-symbols -Wl,--out-implib=libpostgres.dll.a $(call expand_subsys,$(OBJS)) $(WIN32RES) $(LIBS) -o $@$(X)
+-	$(CC) $(CFLAGS) $(call expand_subsys,$(OBJS)) $(WIN32RES) $(LDFLAGS) $(LDFLAGS_EX) -Wl,--stack=$(WIN32_STACK_RLIMIT) -Wl,--export-all-symbols -Wl,--out-implib=libpostgres.a $(LIBS) -o $@$(X)
++	$(CC) $(CFLAGS) $(call expand_subsys,$(OBJS)) $(WIN32RES) $(LDFLAGS) $(LDFLAGS_EX) -Wl,--stack=$(WIN32_STACK_RLIMIT) -Wl,--export-all-symbols -Wl,--out-implib=libpostgres.dll.a $(LIBS) -o $@$(X)
  
 -# libpostgres.a is actually built in the preceding rule, but we need this to
 +# libpostgres.dll.a is actually built in the preceding rule, but we need this to
@@ -40,7 +45,13 @@ index 2640834d5f..51f127f0c9 100644
  	touch $@
  
  endif # win32
-@@ -241,7 +241,7 @@ endif
+@@ -195,12 +195,12 @@ distprep:
+ install: all installdirs install-bin
+ ifeq ($(PORTNAME), cygwin)
+ ifeq ($(MAKE_DLL), true)
+-	$(INSTALL_DATA) libpostgres.a '$(DESTDIR)$(libdir)/libpostgres.a'
++	$(INSTALL_DATA) libpostgres.dll.a '$(DESTDIR)$(libdir)/libpostgres.dll.a'
+ endif
  endif
  ifeq ($(PORTNAME), win32)
  ifeq ($(MAKE_DLL), true)
@@ -49,7 +60,13 @@ index 2640834d5f..51f127f0c9 100644
  endif
  endif
  	$(MAKE) -C catalog install-data
-@@ -299,7 +299,7 @@ endif
+@@ -260,12 +260,12 @@ ifeq ($(MAKE_EXPORTS), true)
+ endif
+ ifeq ($(PORTNAME), cygwin)
+ ifeq ($(MAKE_DLL), true)
+-	rm -f '$(DESTDIR)$(libdir)/libpostgres.a'
++	rm -f '$(DESTDIR)$(libdir)/libpostgres.dll.a'
+ endif
  endif
  ifeq ($(PORTNAME), win32)
  ifeq ($(MAKE_DLL), true)
@@ -58,8 +75,12 @@ index 2640834d5f..51f127f0c9 100644
  endif
  endif
  	$(MAKE) -C catalog uninstall-data
-@@ -324,7 +324,7 @@ ifeq ($(PORTNAME), cygwin)
- 	rm -f postgres.dll libpostgres.a
+@@ -284,10 +284,10 @@ endif
+ clean:
+ 	rm -f $(LOCALOBJS) postgres$(X) $(POSTGRES_IMP)
+ ifeq ($(PORTNAME), cygwin)
+-	rm -f postgres.dll libpostgres.a
++	rm -f postgres.dll libpostgres.dll.a
  endif
  ifeq ($(PORTNAME), win32)
 -	rm -f postgres.dll libpostgres.a $(WIN32RES)
@@ -67,6 +88,3 @@ index 2640834d5f..51f127f0c9 100644
  endif
  
  distclean: clean
--- 
-2.18.0
-
diff --git a/postgresql/mingw-w64/0002-use-mingw-pthread.patch b/postgresql/mingw-w64/0002-use-mingw-pthread.patch
new file mode 100644
index 00000000..ec182f0c
--- /dev/null
+++ b/postgresql/mingw-w64/0002-use-mingw-pthread.patch
@@ -0,0 +1,10 @@
+--- a/src/interfaces/libpq/Makefile   2020-01-07 12:50:48.446033775 +0100
++++ b/src/interfaces/libpq/Makefile       2020-01-07 12:51:15.381102946 +0100
+@@ -69,7 +69,7 @@
+        $(WINDRES) -i $< -o $@
+ 
+ ifeq ($(enable_thread_safety), yes)
+-OBJS += pthread-win32.o
++# OBJS += pthread-win32.o
+ endif
+ endif
diff --git a/postgresql/mingw-w64/PKGBUILD b/postgresql/mingw-w64/PKGBUILD
index 2517b2cb..c81e666b 100644
--- a/postgresql/mingw-w64/PKGBUILD
+++ b/postgresql/mingw-w64/PKGBUILD
@@ -2,7 +2,7 @@
 # Contributor: ant32 <antreimer@gmail.com>
 
 pkgname=mingw-w64-postgresql
-pkgver=11.4
+pkgver=12.1
 pkgrel=1
 pkgdesc='Sophisticated object-relational DBMS (mingw-w64)'
 arch=('any')
@@ -15,15 +15,18 @@ provides=('mingw-w64-postgresql-libs')
 conflicts=('mingw-w64-postgresql-libs')
 replaces=('mingw-w64-postgresql-libs')
 source=("http://ftp.postgresql.org/pub/source/v${pkgver}/postgresql-${pkgver}.tar.bz2"
-        '0001-Use-.dll.a-as-extension-for-import-libraries.patch')
-sha256sums=('02802ddffd1590805beddd1e464dd28a46a41a5f1e1df04bab4f46663195cc8b'
-            '10fdb0beeb4c282f3395bb9cc7b20234d6534067fc0834e781fc5feb264c2b78')
+        '0001-Use-.dll.a-as-extension-for-import-libraries.patch'
+        '0002-use-mingw-pthread.patch')
+sha256sums=('a09bf3abbaf6763980d0f8acbb943b7629a8b20073de18d867aecdb7988483ed'
+            '1012ccd145b3191d7b3f3362961decc31f42c0dd349e9150e435ed464417d460'
+            'fadddea99386132cc81f5c38b51c36621ede4d3ccb66f4cc26a540c0c9b62bd6')
 
 _architectures="i686-w64-mingw32 x86_64-w64-mingw32"
 
 prepare() {
   cd postgresql-$pkgver
   patch -p1 -i ${srcdir}/0001-Use-.dll.a-as-extension-for-import-libraries.patch
+  patch -p1 -i ${srcdir}/0002-use-mingw-pthread.patch
 }
 
 build() {