diff --git a/dev-haskell/semialign/Manifest b/dev-haskell/semialign/Manifest
index 46466dd4dda7d..41e7738250105 100644
--- a/dev-haskell/semialign/Manifest
+++ b/dev-haskell/semialign/Manifest
@@ -1,3 +1,5 @@
 DIST semialign-1.2.0.1.cabal 2836 BLAKE2B f637909d2c3e3d9a5b7c0e1dd06c9df1236f55fb353e32f944f7f9ba8140044b882b360e98139c2620a585f3a01820b89fcbea1785a9c5acadfa609d0e9c46c4 SHA512 fc97232dbbb35b3578572129fa52e8f9835ea4d9edc8d927db9b57a501c626acd1fd30ca70ab3a669905c36828f680c744f56873966cd1ec011cb8aa4a8298ad
 DIST semialign-1.2.0.1.tar.gz 10371 BLAKE2B ac77920eb72eb6d39798bb84d8ef5f1c52ae99ce2300e1db57a84f495796dbd120007abefae8d0a6be51b5625814682f7b9ae5c743dff77cfa3dcd8667882915 SHA512 ba4c680ec2f301c6b76e2198a422bd9c540915fd89a12cbb1787e95c0ccd1bb05abdf59ab1678f46141939673418c650d9624af2ddb7370f2b6bccf704ade83d
+DIST semialign-1.3.1-rev2.cabal 2224 BLAKE2B 85594af06e5bf5bf6ed3c3a6284a855140e2811c7202b304db4a289b6f3dafbfee7ef1f0c6d79d98b1572f27d8ecb757a124fe6720296f6d5e7ad70a310004a1 SHA512 d1778b09ff5e20b4a9386cbb33af6d5ea5b90dddd4137f36f6fef9bbe53eb659896422bf974c7859b2d3e1504301fe14ff7b6ce8bf5d1642c522a522c366b91c
+DIST semialign-1.3.1.tar.gz 10117 BLAKE2B 72691d61376da3c448fcf0f3e423e903a7f1ca04aa27c78bb0d82695c497696178f25e91ddafc777977554b3a15bdb529b664f58ab524d50f5bfe43e7210dc91 SHA512 049100871cf65d36f9b0f3746cf7375ad7e0a32070df50a977eae3243795b5641b40c0e48d33d531104e8c6647fca83172725d3562de23f2e33f8a21ed9f66c8
 DIST semialign-1.3.tar.gz 10543 BLAKE2B 27b5cf6071cced022d5122db550e172e25111cdf54d1d3ff339a1791064c582d0a0cc52d4b05031446ea3d3c67d588aa7c8b589931300a16f684cf7e460853f1 SHA512 4f8ce9c01a145e16f5b203c4ffc0131c42f1d348e2d9c812fc83107a8a4515507da335fa2690f3740d9c89d4d8f2c88fd3b9c9e1862f4726a0874f773a3569b3
diff --git a/dev-haskell/semialign/semialign-1.3.1.ebuild b/dev-haskell/semialign/semialign-1.3.1.ebuild
new file mode 100644
index 0000000000000..f5a11ebc7890d
--- /dev/null
+++ b/dev-haskell/semialign/semialign-1.3.1.ebuild
@@ -0,0 +1,39 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+# ebuild generated by hackport 0.8.5.1.9999
+
+CABAL_HACKAGE_REVISION=2
+
+CABAL_FEATURES="lib profile haddock hoogle hscolour"
+inherit haskell-cabal
+
+DESCRIPTION="Align and Zip type-classes from the common Semialign ancestor"
+HOMEPAGE="https://github.com/haskellari/these"
+
+LICENSE="BSD"
+SLOT="0/${PV}"
+KEYWORDS="~amd64 ~arm64 ~ppc64 ~riscv ~x86"
+IUSE="+semigroupoids"
+
+RDEPEND=">=dev-haskell/hashable-1.4.4.0:=[profile?] <dev-haskell/hashable-1.6:=[profile?]
+	>=dev-haskell/indexed-traversable-0.1.4:=[profile?] <dev-haskell/indexed-traversable-0.2:=[profile?]
+	>=dev-haskell/indexed-traversable-instances-0.1.2:=[profile?]
+		<dev-haskell/indexed-traversable-instances-0.2:=[profile?]
+	>=dev-haskell/tagged-0.8.8:=[profile?] <dev-haskell/tagged-0.9:=[profile?]
+	>=dev-haskell/these-1.2.1:=[profile?] <dev-haskell/these-1.3:=[profile?]
+	>=dev-haskell/unordered-containers-0.2.8.0:=[profile?] <dev-haskell/unordered-containers-0.3:=[profile?]
+	>=dev-haskell/vector-0.13.0.0:=[profile?] <dev-haskell/vector-0.14:=[profile?]
+	>=dev-lang/ghc-9.0.2:=
+	semigroupoids? ( >=dev-haskell/semigroupoids-6.0.1:=[profile?] <dev-haskell/semigroupoids-6.1:=[profile?] )
+"
+DEPEND="${RDEPEND}
+	>=dev-haskell/cabal-3.4.1.0
+"
+
+src_configure() {
+	haskell-cabal_src_configure \
+		$(cabal_flag semigroupoids semigroupoids)
+}