diff --git a/testing/py3-marshmallow/APKBUILD b/testing/py3-marshmallow/APKBUILD
index 69e7cc338dc..b9f1e7cf7bb 100644
--- a/testing/py3-marshmallow/APKBUILD
+++ b/testing/py3-marshmallow/APKBUILD
@@ -2,7 +2,7 @@
 # Maintainer: Patrycja Rosa <alpine@ptrcnull.me>
 pkgname=py3-marshmallow
 _pkgname=marshmallow
-pkgver=3.21.2
+pkgver=3.21.3
 pkgrel=0
 pkgdesc="A lightweight library for converting complex objects to and from simple Python datatypes"
 url="https://github.com/marshmallow-code/marshmallow"
@@ -32,5 +32,5 @@ package() {
 }
 
 sha512sums="
-b151f7e712dc5dd5d7f592942a6a4b09d462b684f542406c8bc57237e4b2402eb287d02e4ca2ef65e10dccb1e200b9ff8ae24f69160af1c6aa02fc5dfdc9eeba  py3-marshmallow-3.21.2.tar.gz
+522d015d4207b1258ef92901f106f94bd412e011c26ad074ca9ee3156e51a1d873063f0ebd24b613cd95f34397f29e79358bb420ee0eef51095e6e8858d61fca  py3-marshmallow-3.21.3.tar.gz
 "