diff --git a/mingw-w64-mopac/PKGBUILD b/mingw-w64-mopac/PKGBUILD
index cd3f099783..e9f9e79898 100644
--- a/mingw-w64-mopac/PKGBUILD
+++ b/mingw-w64-mopac/PKGBUILD
@@ -3,8 +3,8 @@
 _realname=mopac
 pkgbase=mingw-w64-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}")
-pkgver=23.1.0
-pkgrel=2
+pkgver=23.1.2
+pkgrel=1
 pkgdesc="Molecular Orbital PACkage. (mingw-w64)"
 arch=('any')
 mingw_arch=('ucrt64' 'clang64' 'clangarm64')
@@ -21,7 +21,7 @@ checkdepends=("${MINGW_PACKAGE_PREFIX}-python"
               "${MINGW_PACKAGE_PREFIX}-python-numpy")
 source=("https://github.com/openmopac/mopac/archive/v${pkgver}/${_realname}-${pkgver}.tar.gz"
         "0001-Fix-installing-library.patch")
-sha256sums=('b4c3959c36706ae06601819c5e057a261f2265d196986dd0c38ab63990dd17cd'
+sha256sums=('60436bbf62045f06f17b4604bf241c8c6359a70a89c41d00913833bf32ea0121'
             '311b4224e04a109ff4f073254a0a716c1989e035bbeeb7033f9d61c0208419e5')
 
 prepare() {
@@ -79,4 +79,8 @@ package() {
   install -Dm644 "${srcdir}"/${_realname}-${pkgver}/LICENSE \
     "${pkgdir}"${MINGW_PREFIX}/share/licenses/${_realname}/LICENSE
   rm "${pkgdir}"${MINGW_PREFIX}/include/LICENSE
+  rm "${pkgdir}"${MINGW_PREFIX}/LICENSE
+
+  mkdir -p "${pkgdir}"${MINGW_PREFIX}/share/doc/${_realname}
+  mv "${pkgdir}"${MINGW_PREFIX}/CITATION.cff "${pkgdir}"${MINGW_PREFIX}/share/doc/${_realname}/
 }