diff --git a/mingw-w64-libb2/PKGBUILD b/mingw-w64-libb2/PKGBUILD
index ef3b7c5d5b..baf35cec62 100644
--- a/mingw-w64-libb2/PKGBUILD
+++ b/mingw-w64-libb2/PKGBUILD
@@ -4,7 +4,7 @@ _realname=libb2
 pkgbase=mingw-w64-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}")
 pkgver=0.98.1
-pkgrel=2
+pkgrel=3
 pkgdesc="C library providing BLAKE2b, BLAKE2s, BLAKE2bp, BLAKE2sp hash functions (mingw-w64)"
 arch=('any')
 url='https://blake2.net/'
@@ -13,15 +13,38 @@ license=('custom:CC0')
 depends=("${MINGW_PACKAGE_PREFIX}-cc-libs")
 makedepends=("${MINGW_PACKAGE_PREFIX}-autotools"
              "${MINGW_PACKAGE_PREFIX}-cc")
-source=("https://github.com/BLAKE2/${_realname}/releases/download/v$pkgver/${_realname}-$pkgver.tar.gz")
-sha256sums=('53626fddce753c454a3fea581cbbc7fe9bbcf0bc70416d48fdbbf5d87ef6c72e')
+source=("https://github.com/BLAKE2/${_realname}/releases/download/v$pkgver/${_realname}-$pkgver.tar.gz"
+        https://github.com/BLAKE2/libb2/commit/c4283b3469f94d6e209b5f22a4cea6ba1f27d8a8.patch
+        https://github.com/BLAKE2/libb2/commit/186ffdfcde580b609ed46af10553924408bed878.patch
+        https://github.com/BLAKE2/libb2/commit/1705999115f86418b781e33eeecc969dd169cb86.patch
+        https://github.com/BLAKE2/libb2/commit/48e205f0700f7f010e082aed0e273850b09b5907.patch)
+sha256sums=('53626fddce753c454a3fea581cbbc7fe9bbcf0bc70416d48fdbbf5d87ef6c72e'
+            '659ed91b71240e3137f59b95996c26ada973a5c4245d1943a24f45667a8342af'
+            'ad6ded2c28cd141ddcafc45191b9fe0741bd7a90530088eeb837389cc3406e0d'
+            '745a67e5abeee1617bbe1e94b35bc1c981aa7c9e22c49fdaf5d8aac4defcb4a4'
+            '937bdbee7c1dd7ad2f4185e41889c51c165c99cd6d7cccd0617148e890d545e1')
 
 # libb2's build system discards the $CFLAGS variable.
 # We can get around this by putting those flags in $CC.
 export CC="${CC-cc} $CFLAGS"
 
+apply_patch_with_msg() {
+  for _patch in "$@"
+  do
+    msg2 "Applying ${_patch}"
+    patch -Nbp1 -i "${srcdir}/${_patch}"
+  done
+}
+
+
 prepare() {
   cd "${srcdir}/${_realname}-${pkgver}"
+  
+  apply_patch_with_msg \
+    c4283b3469f94d6e209b5f22a4cea6ba1f27d8a8.patch \
+    186ffdfcde580b609ed46af10553924408bed878.patch \
+    1705999115f86418b781e33eeecc969dd169cb86.patch \
+    48e205f0700f7f010e082aed0e273850b09b5907.patch
 }
 
 build() {