diff --git a/testing/b2sum/APKBUILD b/testing/b2sum/APKBUILD
index 7a6fc3db8c9c2c778cc490eff9174702530341ac..0097c45e8455793142243152fe331aad48d42e35 100644
--- a/testing/b2sum/APKBUILD
+++ b/testing/b2sum/APKBUILD
@@ -1,15 +1,13 @@
 # Maintainer: Alex Raschi <raschi.alex@gmail.com>
 pkgname=b2sum
 _pkgname=BLAKE2
-pkgver=20180711
-_commit=320c325437539ae91091ce62efec1913cd8093c2
+pkgver=20190729
+_commit=997fa5ba1e14b52c554fb03ce39e579e6f27b90c
 pkgrel=0
 pkgdesc="BLAKE2 command line utility with multiple algorithms"
 url="https://blake2.net/"
 arch="all"
 license="CC0-1.0"
-depends=""
-makedepends=""
 subpackages="$pkgname-doc"
 replaces="coreutils"
 options="!check" # no test suite
@@ -18,8 +16,6 @@ source="$pkgname-$pkgver.tar.gz::https://github.com/$_pkgname/$_pkgname/archive/
 builddir="$srcdir/$_pkgname-$_commit/$pkgname"
 
 build() {
-	cd "$builddir"
-
 	# SSE2 is not enabled for x86.
 	# arm* leave disabled for now, fails to build at least on armhf.
 	case "$CARCH" in
@@ -32,9 +28,8 @@ build() {
 }
 
 package() {
-	cd "$builddir"
 	PREFIX="$pkgdir"/usr make install
 }
 
-sha512sums="db668b6fad82c82a9431db0bad5982d9ba7ea3aeb3ede0a5335702a44fd19d23f2b89207940c060dba992009e1de7d8d892f6719cd8ffdeaed26303bdc7a7a6f  b2sum-20180711.tar.gz
+sha512sums="55f20ac11e444abc42c6895fbb64623e1fda40024fdcbee0f6d28a8ebc0187c5cab6862835f52dfc38418870c5d7a9fffe8a23a1b6ab88e7fbbb12d69c0d48a8  b2sum-20190729.tar.gz
 36a537986c5723e96c6f73bf6676863ffa0d09768884a9b9ccb05dbfff12c8e045ce4bfce57a92588f25c50f101ba9f9814902b91b7f58121399d28943cd5328  makefile.patch"