diff --git a/dev-util/gdbus-codegen/Manifest b/dev-util/gdbus-codegen/Manifest
index c9d7739..1d51a4c 100644
--- a/dev-util/gdbus-codegen/Manifest
+++ b/dev-util/gdbus-codegen/Manifest
@@ -1 +1 @@
-DIST glib-2.66.7.tar.xz 4844892 BLAKE2B 2d128e8c933a8c5bd27734e96e50244f27c29199823e2185e8cfa5b4bbc0ca23f761c9de275c9941672eb945e302178b3cb4b5bd577f375ad953a97dddc70e34 SHA512 f6e6cc0fe2ab4a31a623bf9a1e63f833783e044e7ed55b66a84fc0cbf1410eec233fe0e226abb20aac0e40167a9624bf5e65197f9eed879da1293af44408d530
+DIST glib-2.66.4.tar.xz 4838124 BLAKE2B de2b8690c9ef9d66378b396ec0abe2bc83380654b3ca2e221678fb6dc9bf449c544a7e2b2a662739f7b400e9ce0a5a0af115ba2f06b8f5597967e518fdec4937 SHA512 b3bc3e6e5cca793139848940e5c0894f1c7e3bd3a770b213a1ea548ac54a2432aebb140ed54518712fb8af36382b3b13d5f7ffd3d87ff63cba9e2f55434f7260
diff --git a/dev-util/gdbus-codegen/gdbus-codegen-2.66.7.ebuild b/dev-util/gdbus-codegen/gdbus-codegen-2.66.4.ebuild
similarity index 97%
rename from dev-util/gdbus-codegen/gdbus-codegen-2.66.7.ebuild
rename to dev-util/gdbus-codegen/gdbus-codegen-2.66.4.ebuild
index 2b24423..b50f7ef 100644
--- a/dev-util/gdbus-codegen/gdbus-codegen-2.66.7.ebuild
+++ b/dev-util/gdbus-codegen/gdbus-codegen-2.66.4.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2021 Gentoo Authors
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
diff --git a/metadata/md5-cache/dev-util/gdbus-codegen-2.66.7 b/metadata/md5-cache/dev-util/gdbus-codegen-2.66.4
similarity index 96%
rename from metadata/md5-cache/dev-util/gdbus-codegen-2.66.7
rename to metadata/md5-cache/dev-util/gdbus-codegen-2.66.4
index 16cc906..ee362a5 100644
--- a/metadata/md5-cache/dev-util/gdbus-codegen-2.66.7
+++ b/metadata/md5-cache/dev-util/gdbus-codegen-2.66.4
@@ -10,6 +10,6 @@
 RDEPEND=python_single_target_python3_6? ( dev-lang/python:3.6[xml] >=dev-lang/python-exec-2:=[python_targets_python3_6] ) python_single_target_python3_7? ( dev-lang/python:3.7[xml] >=dev-lang/python-exec-2:=[python_targets_python3_7] ) python_single_target_python3_8? ( dev-lang/python:3.8[xml] >=dev-lang/python-exec-2:=[python_targets_python3_8] ) python_single_target_python3_9? ( dev-lang/python:3.9[xml] >=dev-lang/python-exec-2:=[python_targets_python3_9] ) python_single_target_python3_6? ( dev-lang/python:3.6[xml] >=dev-lang/python-exec-2:=[python_targets_python3_6] ) python_single_target_python3_7? ( dev-lang/python:3.7[xml] >=dev-lang/python-exec-2:=[python_targets_python3_7] ) python_single_target_python3_8? ( dev-lang/python:3.8[xml] >=dev-lang/python-exec-2:=[python_targets_python3_8] ) python_single_target_python3_9? ( dev-lang/python:3.9[xml] >=dev-lang/python-exec-2:=[python_targets_python3_9] )
 REQUIRED_USE=^^ ( python_single_target_python3_6 python_single_target_python3_7 python_single_target_python3_8 python_single_target_python3_9 )
 SLOT=0
-SRC_URI=mirror://gnome/sources/glib/2.66/glib-2.66.7.tar.xz
+SRC_URI=mirror://gnome/sources/glib/2.66/glib-2.66.4.tar.xz
 _eclasses_=distutils-r1	198e3b9ddb55ae36b2a50b07ca2877ef	gnome.org	532d56d07b9eace4831aaa817d2b756a	multilib	2477ebe553d3e4d2c606191fe6c33602	multiprocessing	e32940a7b2a9992ad217eccddb84d548	python-single-r1	674c48c926cbb44e91b656e0399d8f54	python-utils-r1	157a6a7a3e99c7dbdf81acc9dd4f57cd	toolchain-funcs	605c126bed8d87e4378d5ff1645330cb
-_md5_=c28227ce616a6cd1bf997879d266f5f6
+_md5_=eea75247a53f2733a39a9fef600dc5e4