diff --git a/00-fix-gdbus-codegen.patch b/00-fix-gdbus-codegen.patch
deleted file mode 100644
index 9977f41..0000000
--- a/00-fix-gdbus-codegen.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/gio/gdbus-2.0/codegen/codegen_main.py b/gio/gdbus-2.0/codegen/codegen_main.py
-index 9d9099f..1cfe7c1 100755
---- a/gio/gdbus-2.0/codegen/codegen_main.py
-+++ b/gio/gdbus-2.0/codegen/codegen_main.py
-@@ -209,7 +209,7 @@ def codegen_main():
-             print_error('Using --body requires --output')
- 
-         c_file = args.output
--        header_name = os.path.splitext(c_file)[0] + '.h'
-+        header_name = os.path.splitext(os.path.basename(c_file))[0] + '.h'
- 
-     all_ifaces = []
-     for fname in args.files + args.xml_files:
diff --git a/mingw-glib2.spec b/mingw-glib2.spec
index 535c389..12b6f28 100644
--- a/mingw-glib2.spec
+++ b/mingw-glib2.spec
@@ -4,8 +4,8 @@
 %global __python %{__python3}
 
 Name:           mingw-glib2
-Version:        2.56.1
-Release:        3%{?dist}
+Version:        2.57.1
+Release:        1%{?dist}
 Summary:        MinGW Windows GLib2 library
 
 License:        LGPLv2+
@@ -40,10 +40,6 @@ BuildRequires:  gettext
 BuildRequires:  glib2-devel >= 2.45.3
 BuildRequires:  python3-devel
 
-# Include upstream patch to fix gdbus-codegen when used with meson 0.46
-# https://gitlab.gnome.org/GNOME/glib/commit/cd1f82d8fc741a2203582c12cc21b4dacf7e1872
-Patch0:         00-fix-gdbus-codegen.patch
-
 # https://bugzilla.gnome.org/show_bug.cgi?id=674214
 Patch1:         0001-Use-CreateFile-on-Win32-to-make-sure-g_unlink-always.patch
 
@@ -97,7 +93,6 @@ Static version of the MinGW Windows GLib2 library.
 
 %prep
 %setup -q -n glib-%{version}
-%patch0 -p1
 %patch1 -p1
 %patch5 -p1
 
@@ -283,6 +278,9 @@ find $RPM_BUILD_ROOT -name "*.la" -delete
 
 
 %changelog
+* Thu Aug 02 2018 Thomas Sailer <t.sailer@alumni.ethz.ch> - 2.57.1-1
+- Update to 2.57.1
+
 * Fri Jul 13 2018 Fedora Release Engineering <releng@fedoraproject.org> - 2.56.1-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild
 
diff --git a/sources b/sources
index 2016ac1..682eefe 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (glib-2.56.1.tar.xz) = 7e96cc23f3fa42a41b1974ae8fa2a7b123449643f265763d464620afcb011668e2de013ed2a6e5f13b6bd1bf3ab8eab43c05bf4a8ee0d99b7808767ab4fa69f4
+SHA512 (glib-2.57.1.tar.xz) = fad52b079731338d2a573c460750cdbc757e249f5276f57a4cb5e1833e65e3fc353da78c3253db820a69af2e1444f6d32874d862580e199570a64965401388b1