diff --git a/gobject-introspection-1.55.2.tar.xz b/gobject-introspection-1.55.2.tar.xz
deleted file mode 100644
index e465235..0000000
--- a/gobject-introspection-1.55.2.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:5f058ea7853ede3ef6e62fe19917d794f0d03de7f642d430277a54946c10e31e
-size 1396012
diff --git a/gobject-introspection-1.56.0.tar.xz b/gobject-introspection-1.56.0.tar.xz
new file mode 100644
index 0000000..30f9950
--- /dev/null
+++ b/gobject-introspection-1.56.0.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0d7059fad7aa5ec50d9678aea4ea139acab23737e9cf9ca0d86c615cecbaa0f8
+size 1397640
diff --git a/gobject-introspection.changes b/gobject-introspection.changes
index 719e1c5..5da4782 100644
--- a/gobject-introspection.changes
+++ b/gobject-introspection.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Mar 13 09:08:55 UTC 2018 - dimstar@opensuse.org
+
+- Update to version 1.56.0:
+  + gir: Update annotations from GLib git master.
+
 -------------------------------------------------------------------
 Wed Feb 28 16:30:59 UTC 2018 - dimstar@opensuse.org
 
diff --git a/gobject-introspection.spec b/gobject-introspection.spec
index 25186d2..2472498 100644
--- a/gobject-introspection.spec
+++ b/gobject-introspection.spec
@@ -17,14 +17,14 @@
 
 
 Name:           gobject-introspection
-Version:        1.55.2
+Version:        1.56.0
 Release:        0
 # FIXME: Find a way to identify if we need python3-gobject or python-gobject from gi-find-deps.sh.
 Summary:        GObject Introspection Tools
 License:        LGPL-2.1-or-later AND GPL-2.0-or-later
 Group:          Development/Libraries/GNOME
 URL:            https://wiki.gnome.org/Projects/GObjectIntrospection
-Source0:        http://download.gnome.org/sources/gobject-introspection/1.55/%{name}-%{version}.tar.xz
+Source0:        http://download.gnome.org/sources/gobject-introspection/1.56/%{name}-%{version}.tar.xz
 # gi-find-deps.sh is a rpm helper for Provides and Requires. Script creates typelib()-style Provides/Requires.
 Source1:        gi-find-deps.sh
 Source2:        gobjectintrospection.attr
@@ -43,7 +43,7 @@ BuildRequires:  pkgconfig(cairo)
 BuildRequires:  pkgconfig(cairo-gobject)
 BuildRequires:  pkgconfig(gio-2.0)
 BuildRequires:  pkgconfig(gio-unix-2.0)
-BuildRequires:  pkgconfig(glib-2.0) >= 2.55.2
+BuildRequires:  pkgconfig(glib-2.0) >= 2.56.0
 BuildRequires:  pkgconfig(gmodule-2.0)
 BuildRequires:  pkgconfig(gobject-2.0)
 BuildRequires:  pkgconfig(libffi) >= 3.0.0