diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index a5fce39f7..0ce8558ac 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -7,6 +7,7 @@
   * update PyTurboJPEG-1.5.0
   * update TwitterAPI-2.7.3
   * update accuweather-0.2.0
+  * update adext-0.4.2
 
 2021-06-04
  * cleanup PYTHON_COMPAT, remove unused Ebuilds (https://bugs.gentoo.org/793464)
diff --git a/dev-python/adext/Manifest b/dev-python/adext/Manifest
index bb6accfd3..cee53bd38 100644
--- a/dev-python/adext/Manifest
+++ b/dev-python/adext/Manifest
@@ -1,5 +1,5 @@
-DIST adext-0.3.tar.gz 3455 BLAKE2B 949b32f2193c6efa72cbae2fc72f44c829cca2685229d5b526354585a522d4db6edeb13641605e7c935e70714873f0c27294a438c54d9e98191890da928b1c4d SHA512 f94f7cbcdfe50e57440209870c09277166dc9702fb4a2ed6ffe9e5218545f66087536eb3f5b116ea37762704ffc8aa5b9f4531fe5e92d0695cde0f2da8a9204e
 DIST adext-0.4.1.tar.gz 8071 BLAKE2B a82b2d5e8cd7647ec560279172f0fc5a8c330867f2e753c9d612ae5bb167bcee2b81b1ccb208198e6108b26ddf390b03e584bfa8c9014598e9445e0e358d04c4 SHA512 4599e552ff03a9e241590eaba0cdb043e7baf956e705d643b6b22fc51b2a3ba0907f769141125a4207742caa6a664863ab838492e7b67b9612d2c1eb0f01e6ef
-EBUILD adext-0.3.ebuild 729 BLAKE2B d9992b62ec08a0e9ce62e7041807a9e3dab22dfacdfdfd250a9d96ae41c910d721f8812b72da8fc46d4cc276d0f1c6ca85d2ae9262f1eea830815ae92501e673 SHA512 18e7fed50bb6cf7c758cc90033f103704023001950266b43edcbfc69f4530447277aa16cce3f599a3163a568bd7526344e25715ab6aca21c1d230c27144a5fae
+DIST adext-0.4.2.tar.gz 7910 BLAKE2B e3919858d13d3ffc271c3aaba21f5b9f7a6aff6f4e44688dd58b89c8ca5b80302a1f15911bd47210db53b4a965d31fe7e98580c7d4bd548c60d0b1873295e54d SHA512 ff05c0801fbc5364646ff4028eadf30fb995cd400c4991a3a04d8cd0b82d7fd9faaad6f32b20f6aff980e3ab972ace4a73f9adfd73fc012725378dd41914cdba
 EBUILD adext-0.4.1.ebuild 755 BLAKE2B beb4b3c88c66c261d627d406a8ead3e6355bd4135db662e3ba7a9f07270e750170c99644d61546f7b70c6c5832282828280826cebb576eed9ac07be01e49eeb7 SHA512 3160cf999f6bb1adb0fd3213e17751ef5eec40025d0e5044a3e16bf2ca63ce0e6d9da18eb8057b372a3eff8e3f76d997b2d47f149a804fff7ec684d99c5b484b
+EBUILD adext-0.4.2.ebuild 756 BLAKE2B 4f52f703bf2dede1406e4cc9b8c3b2ea3fb7b474a8a469b12e5422016d7b3482d7c07f4a382f86c4accbd700f2f59da29d55707ab3aefc293189284f12aa211d SHA512 ebe28e4bdc87c3e0aa8514f18cb1e15c130e0e9f65333303bf8983fa44983d88a20f327e6bca7567e607d6ac11297f0fc8c71ac8d2aeafd4e8e77f35e8e80935
 MISC metadata.xml 324 BLAKE2B 03e493bf81117884b4109f295ca59938d77c93aa696101aefae5052ca2ae16aa3e47a562e501d4e694307432e13a16dc6f28ff356d351d9f528183f3e48a7cf6 SHA512 243322c726ff50ad6c68f7a8d572151f60cea47962a61694a4cc7ce3149fc426a5a33f5242b7325f7beb76a70b9cc52f05c0cc9a576cf515c0020c3043b0150d
diff --git a/dev-python/adext/adext-0.3.ebuild b/dev-python/adext/adext-0.4.2.ebuild
similarity index 74%
rename from dev-python/adext/adext-0.3.ebuild
rename to dev-python/adext/adext-0.4.2.ebuild
index 1f753a6c0..8892825d4 100644
--- a/dev-python/adext/adext-0.3.ebuild
+++ b/dev-python/adext/adext-0.4.2.ebuild
@@ -1,9 +1,9 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="7"
 
-PYTHON_COMPAT=( python3_{6,7,8} )
+PYTHON_COMPAT=( python3_{8..10} )
 
 inherit distutils-r1
 
@@ -16,11 +16,12 @@ SLOT="0"
 KEYWORDS="~amd64 ~arm ~arm64 ~x86 ~amd64-linux ~x86-linux"
 IUSE="test"
 
-DOCS="README.md"
+DOCS=""
 
-RDEPEND="~dev-python/alarmdecoder-1.13.2[${PYTHON_USEDEP}]"
-DEPEND="${REDEPEND}
+RDEPEND="~dev-python/alarmdecoder-1.13.11[${PYTHON_USEDEP}]"
+BDEPEND="
 	dev-python/setuptools[${PYTHON_USEDEP}]
+	dev-python/setuptools_scm[${PYTHON_USEDEP}]
 	test? (
 		dev-python/nose[${PYTHON_USEDEP}]
 		dev-python/pytest[${PYTHON_USEDEP}]