diff --git a/dev-haskell/mtl/metadata.xml b/dev-haskell/mtl/metadata.xml
index 45ba94100750c..2171e4c94b9b1 100644
--- a/dev-haskell/mtl/metadata.xml
+++ b/dev-haskell/mtl/metadata.xml
@@ -5,14 +5,8 @@
 		<email>haskell@gentoo.org</email>
 		<name>Gentoo Haskell</name>
 	</maintainer>
-	<longdescription>
-		Monad classes using functional dependencies, with instances
-		for various monad transformers, inspired by the paper
-		/Functional Programming with Overloading and Higher-Order Polymorphism/,
-		by Mark P Jones, in /Advanced School of Functional Programming/, 1995
-		(&lt;http://web.cecs.pdx.edu/~mpj/pubs/springschool.html&gt;).
-	</longdescription>
 	<upstream>
+		<remote-id type="hackage">mtl</remote-id>
 		<remote-id type="github">haskell/mtl</remote-id>
 	</upstream>
 </pkgmetadata>
diff --git a/dev-haskell/mtl/mtl-2.2.2.ebuild b/dev-haskell/mtl/mtl-2.2.2-r1.ebuild
similarity index 69%
rename from dev-haskell/mtl/mtl-2.2.2.ebuild
rename to dev-haskell/mtl/mtl-2.2.2-r1.ebuild
index 284b3af02ac8c..377dc6705b052 100644
--- a/dev-haskell/mtl/mtl-2.2.2.ebuild
+++ b/dev-haskell/mtl/mtl-2.2.2-r1.ebuild
@@ -1,9 +1,9 @@
 # Copyright 1999-2023 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI=7
+EAPI=8
 
-# ebuild generated by hackport 0.5.5.9999
+# ebuild generated by hackport 0.8.0.0.9999
 
 CABAL_FEATURES="lib profile haddock hoogle hscolour"
 # break circular dependencies:
@@ -13,15 +13,15 @@ inherit haskell-cabal
 
 DESCRIPTION="Monad classes, using functional dependencies"
 HOMEPAGE="https://github.com/haskell/mtl"
-SRC_URI="https://hackage.haskell.org/package/${P}/${P}.tar.gz"
 
 LICENSE="BSD"
 SLOT="0/${PV}"
+# Keep in sync with relevant ghc versions (CABAL_CORE_LIB_GHC_PV)
 KEYWORDS="amd64 ~arm64 ~ppc64 ~riscv ~x86 ~amd64-linux ~x86-linux ~ppc-macos"
-IUSE=""
 
-RDEPEND=">=dev-lang/ghc-7.10.1:=
+RDEPEND="
+	>=dev-lang/ghc-8.10.6:=
 "
 DEPEND="${RDEPEND}"
 
-CABAL_CORE_LIB_GHC_PV="8.10.6 9.0.2"
+CABAL_CORE_LIB_GHC_PV="8.10.6 8.10.7 9.0.2 9.2.4 9.2.5 9.2.6 9.2.7 9.2.8 9.4.4 9.4.5"