diff --git a/gobject-introspection-1.64.1.tar.xz b/gobject-introspection-1.64.1.tar.xz
deleted file mode 100644
index be04ac7..0000000
--- a/gobject-introspection-1.64.1.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:80beae6728c134521926affff9b2e97125749b38d38744dc901f4010ee3e7fa7
-size 1000280
diff --git a/gobject-introspection-1.66.1.tar.xz b/gobject-introspection-1.66.1.tar.xz
new file mode 100644
index 0000000..b86f43b
--- /dev/null
+++ b/gobject-introspection-1.66.1.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dd44a55ee5f426ea22b6b89624708f9e8d53f5cc94e5485c15c87cb30e06161d
+size 1012784
diff --git a/gobject-introspection.changes b/gobject-introspection.changes
index 7d41958..d5c0494 100644
--- a/gobject-introspection.changes
+++ b/gobject-introspection.changes
@@ -1,3 +1,27 @@
+-------------------------------------------------------------------
+Mon Oct  5 15:26:39 UTC 2020 - dimstar@opensuse.org
+
+- Update to version 1.66.1:
+  + Update glib annotations.
+  + gimarshallingtests: Add more tests for flags..
+  + Revert "giscanner: Fix section matching for documentation.
+
+-------------------------------------------------------------------
+Mon Sep 14 10:17:17 UTC 2020 - dimstar@opensuse.org
+
+- Update to version 1.66.0:
+  + Support the gtk-doc action syntax.
+  + GITypeInfo storage type utility API.
+  + libgirepository: Add a couple missing nullable annotations.
+  + dumper: Fix missing symbols in LTO case or with overridden
+    symbol visibility settings.
+  + Documentation improvements.
+  + Remove old autoconf fallback code for the python tools.
+  + giscanner: parse block comments for members and fields.
+  + Add the notion of standalone doc sections.
+  + giscanner: Add support for using clang-cl.
+  + giscanner: Fix section matching for documentation.
+
 -------------------------------------------------------------------
 Sun Apr  5 17:13:52 UTC 2020 - Bjørn Lie <bjorn.lie@gmail.com>
 
diff --git a/gobject-introspection.spec b/gobject-introspection.spec
index a60862b..fa96a1e 100644
--- a/gobject-introspection.spec
+++ b/gobject-introspection.spec
@@ -17,7 +17,7 @@
 
 
 Name:           gobject-introspection
-Version:        1.64.1
+Version:        1.66.1
 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
@@ -25,7 +25,7 @@ License:        LGPL-2.1-or-later AND GPL-2.0-or-later
 Group:          Development/Libraries/GNOME
 URL:            https://wiki.gnome.org/Projects/GObjectIntrospection
 
-Source0:        https://download.gnome.org/sources/gobject-introspection/1.64/%{name}-%{version}.tar.xz
+Source0:        https://download.gnome.org/sources/gobject-introspection/1.66/%{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