diff --git a/gobject-introspection-1.44.0.tar.xz b/gobject-introspection-1.44.0.tar.xz
deleted file mode 100644
index 3953f6b..0000000
--- a/gobject-introspection-1.44.0.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:6f0c2c28aeaa37b5037acbf21558098c4f95029b666db755d3a12c2f1e1627ad
-size 1319168
diff --git a/gobject-introspection-1.45.4.tar.xz b/gobject-introspection-1.45.4.tar.xz
new file mode 100644
index 0000000..fe0c439
--- /dev/null
+++ b/gobject-introspection-1.45.4.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d42ed9e4f1e80a4cbc01095e01ce7060ea1caf42a3a229eee66882672e3350c2
+size 1357416
diff --git a/gobject-introspection.changes b/gobject-introspection.changes
index 04ee281..1400492 100644
--- a/gobject-introspection.changes
+++ b/gobject-introspection.changes
@@ -1,3 +1,48 @@
+-------------------------------------------------------------------
+Fri Aug 21 15:15:18 UTC 2015 - zaitor@opensuse.org
+
+- Update to version 1.45.4:
+  + Update the GLib introspection data.
+  + scanner:
+    - use open() as os.fdopen as context managers.
+    - fix cachestore race.
+  + g-ir-compiler: message when arguments are wrong.
+  + sourcescanner.py: Use Distutils for Preprocessing.
+  + giscanner/ccompiler.py: Initiate Distutils Compiler Instance.
+  + MSVC Builds:
+    - Update README.txt's.
+    - Builds: Drop GCC Requirement.
+    - Fix Script Generation Command.
+    - Update to Fix Build of Scripts.
+    - Clean Up And Fix the Projects.
+    - Generate The Tools Scripts.
+  + giscanner/sourcescanner.py: Use Tempfiles For Parsing.
+  + girepository: Remove "optimization" for found prefixes.
+  + scanner:
+    - Fix stray comment in previous commit.
+    - Recognize __signed.
+  + MSVC Introspection Builds: Make Cairo Note Clearer.
+  + build/: Fix Incorrect Naming of Script.
+  + MSVC .gir Builds: Allow More Flexibility for Cairo.
+  + build/gi-inrtospection-msvc.mak: Allow Libtool Style Names.
+  + build/gen-cairo-gir.py: Clean Up A Bit.
+  + Update glib annotations from glib 2.45.4.
+  + test: Add a test for GList containing GType.
+
+-------------------------------------------------------------------
+Mon Jul  6 18:36:29 UTC 2015 - zaitor@opensuse.org
+
+- Update to version 1.45.3:
+  + No changelog provided, please check git.gnome.org.
+
+-------------------------------------------------------------------
+Wed May 27 09:17:35 UTC 2015 - dimstar@opensuse.org
+
+- Update to version 1.45.2:
+  + Build system fixes.
+  + Update glib annotations.
+  + scanner: Add --symbol-filter-cmd.
+
 -------------------------------------------------------------------
 Tue Mar 24 12:22:26 UTC 2015 - dimstar@opensuse.org
 
diff --git a/gobject-introspection.spec b/gobject-introspection.spec
index 652d8ad..387cebd 100644
--- a/gobject-introspection.spec
+++ b/gobject-introspection.spec
@@ -17,7 +17,7 @@
 
 
 Name:           gobject-introspection
-Version:        1.44.0
+Version:        1.45.4
 Release:        0
 # FIXME: Find a way to identify if we need python3-gobject or python-gobject from gi-find-deps.sh.
 # FIXME: when bgo#629930 gets fixed, move the appropriate pkg-config files to the main package and rename the devel package to libgirepository-devel
@@ -25,7 +25,7 @@ Summary:        GObject Introspection Tools
 License:        LGPL-2.1+ and GPL-2.0+
 Group:          Development/Libraries/GNOME
 Url:            http://live.gnome.org/GObjectIntrospection
-Source0:        http://download.gnome.org/sources/gobject-introspection/1.44/%{name}-%{version}.tar.xz
+Source0:        http://download.gnome.org/sources/gobject-introspection/1.45/%{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
@@ -41,11 +41,11 @@ BuildRequires:  libffi-devel
 # needed for patch0
 BuildRequires:  libtool
 BuildRequires:  python-Mako
-BuildRequires:  python-devel
+BuildRequires:  python-devel >= 2.7
 BuildRequires:  python-xml
 BuildRequires:  pkgconfig(cairo)
 BuildRequires:  pkgconfig(cairo-gobject)
-BuildRequires:  pkgconfig(glib-2.0) >= 2.43.92
+BuildRequires:  pkgconfig(glib-2.0) >= 2.45.3
 BuildRequires:  pkgconfig(gobject-2.0)
 # gi-find-deps makes use of 'file' to identify the types.
 Requires:       file