diff --git a/mingw-w64-gtksourceviewmm3/PKGBUILD b/mingw-w64-gtksourceviewmm3/PKGBUILD
index f1e0a330fd..d9589b995b 100644
--- a/mingw-w64-gtksourceviewmm3/PKGBUILD
+++ b/mingw-w64-gtksourceviewmm3/PKGBUILD
@@ -3,8 +3,8 @@
 _realname=gtksourceviewmm
 pkgbase=mingw-w64-${_realname}3
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}3"
-pkgver=3.18.0
-pkgrel=2
+pkgver=3.21.3
+pkgrel=1
 pkgdesc="C++ bindings to gtksourceview3 library (mingw-w64)"
 arch=('any')
 url="https://www.gnome.org"
@@ -13,13 +13,13 @@ makedepends=("${MINGW_PACKAGE_PREFIX}-gcc" "${MINGW_PACKAGE_PREFIX}-pkg-config")
 depends=("${MINGW_PACKAGE_PREFIX}-gtksourceview3" "${MINGW_PACKAGE_PREFIX}-gtkmm3")
 options=(strip staticlibs)
 source=("https://download.gnome.org/sources/${_realname}/${pkgver%.*}/${_realname}-${pkgver}.tar.xz")
-sha256sums=('51081ae3d37975dae33d3f6a40621d85cb68f4b36ae3835eec1513482aacfb39')
+sha256sums=('dbb00b1c28e0407cc27d8b07a2ed0b4ea22f92e4b3e3006431cbd6726b6256b5')
 
 build() {
   CPPFLAGS+=" -D_REENTRANT"
   export lt_cv_deplibs_check_method='pass_all'
-  mkdir -p "${srcdir}/build-${MINGW_CHOST}"
-  cd "${srcdir}/build-${MINGW_CHOST}"
+  [[ -d "${srcdir}"/build-${MINGW_CHOST} ]] && rm -rf "${srcdir}"/build-${MINGW_CHOST}
+  mkdir -p "${srcdir}/build-${MINGW_CHOST}" && cd "${srcdir}/build-${MINGW_CHOST}"
   ../${_realname}-${pkgver}/configure \
     --prefix=${MINGW_PREFIX} \
     --build=${MINGW_CHOST} \