diff --git a/testing/nauty/APKBUILD b/testing/nauty/APKBUILD
index 6bf638b03f7..c3d2cdb4ad9 100644
--- a/testing/nauty/APKBUILD
+++ b/testing/nauty/APKBUILD
@@ -2,17 +2,16 @@
 # Maintainer: Celeste <cielesti@protonmail.com>
 maintainer="Celeste <cielesti@protonmail.com>"
 pkgname=nauty
-pkgver=2.8.9
+pkgver=2.9.0
 _pkgver=${pkgver//./_}
 pkgrel=0
 pkgdesc="Programs for computing automorphism groups of graphs and digraphs"
 url="https://pallini.di.uniroma1.it/"
-arch="all"
+# s390x: tests fail
+arch="all !s390x"
 license="Apache-2.0"
 subpackages="$pkgname-dev $pkgname-libs"
-source="https://pallini.di.uniroma1.it/nauty$_pkgver.tar.gz
-	fix-test-uniqg.patch
-	"
+source="https://pallini.di.uniroma1.it/nauty$_pkgver.tar.gz"
 builddir="$srcdir/$pkgname$_pkgver"
 
 build() {
@@ -45,6 +44,5 @@ libs() {
 }
 
 sha512sums="
-4310747ae357d11547f9c9b45329775ffa2cedbff4bb4f9b12fb7b577c9e7c15e3f3c5279d3de145f2a1c3f8c727b1d9507a644093d1cbe58a93eb7b1436d8ee  nauty2_8_9.tar.gz
-616419a1240bcdcc4df8fef8e368a03583594bf84db6bd2894a1b851216f24cfeb82429ddb6ca4229edfe67d5719770ef0a0e3cd17c3780f8d1f807a016f4d5b  fix-test-uniqg.patch
+3ce4b8f60b16b6104d5a19e00f98b4defdb213e5cb151472d8dd9a72abceb0fc4aeab6571771de31df93a7e56fe5a344a7edc700c9d9b260bfd56dc867136d5d  nauty2_9_0.tar.gz
 "
diff --git a/testing/nauty/fix-test-uniqg.patch b/testing/nauty/fix-test-uniqg.patch
deleted file mode 100644
index bcc3371d8c1..00000000000
--- a/testing/nauty/fix-test-uniqg.patch
+++ /dev/null
@@ -1,22 +0,0 @@
---- a/runalltests
-+++ b/runalltests
-@@ -121,7 +121,7 @@
- runonetest "./geng -q -TD6 10 | ./ransubg -qS765 -P9/10 | ./countg --NN,A,G,GG" "" nautestv.ans
- runonetest "./genrang -q -P3 -S1234 70 1000 | ./countg --G,GG" "" nautestw.ans
- runonetest "./genrang -q -P4 -z -S1234 70 500 | ./countg --G,GG" "" nautestx.ans
--runonetest "./geng -q -bT 12 | ./ranlabg -qS7654 -m5 | uniqg -u" "" nautesty.ans
-+runonetest "./geng -q -bT 12 | ./ranlabg -qS7654 -m5 | ./uniqg -u" "" nautesty.ans
- 
- echo " "
- 
---- a/runalltests.in
-+++ b/runalltests.in
-@@ -121,7 +121,7 @@
- runonetest "./geng -q -TD6 10 | ./ransubg -qS765 -P9/10 | ./countg --NN,A,G,GG" "" nautestv.ans
- runonetest "./genrang -q -P3 -S1234 70 1000 | ./countg --G,GG" "" nautestw.ans
- runonetest "./genrang -q -P4 -z -S1234 70 500 | ./countg --G,GG" "" nautestx.ans
--runonetest "./geng -q -bT 12 | ./ranlabg -qS7654 -m5 | uniqg -u" "" nautesty.ans
-+runonetest "./geng -q -bT 12 | ./ranlabg -qS7654 -m5 | ./uniqg -u" "" nautesty.ans
- 
- echo " "
-