diff --git a/main/libarchive/APKBUILD b/main/libarchive/APKBUILD
index 88a813794c3636de36a97a6fc3094fa1e4e1c1b3..cfecc03b66afe9d2608ecb3628fc4af62d8c0059 100644
--- a/main/libarchive/APKBUILD
+++ b/main/libarchive/APKBUILD
@@ -1,7 +1,7 @@
 # Contributor: Sergei Lukin <sergej.lukin@gmail.com>
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=libarchive
-pkgver=3.5.2
+pkgver=3.5.3
 pkgrel=0
 pkgdesc="library that can create and read several streaming archive formats"
 url="https://libarchive.org/"
@@ -13,6 +13,9 @@ subpackages="$pkgname-static $pkgname-dev $pkgname-doc $pkgname-tools"
 source="https://libarchive.org/downloads/libarchive-$pkgver.tar.xz"
 
 # secfixes:
+#   3.5.3-r0:
+#     - CVE-2021-31566
+#     - CVE-2021-36976
 #   3.4.2-r0:
 #     - CVE-2020-19221
 #     - CVE-2020-9308
@@ -42,5 +45,5 @@ tools() {
 }
 
 sha512sums="
-ac7c47f9ddfe5d4d5db6ca9c1bcba788af95662bf0e54ca5426fe66cd8262896e12acc426eecdf0e0d6681c180bcd37f4c4469619273607e95399c7f49b61c7c  libarchive-3.5.2.tar.xz
+90da8508cbaf4e187234e70ded9522316db35c3843eb6d51e8676088d9db68b13490d53eb05c6dbf6df78496319ce2a4bd4e4a3a1b83240a57b58492aceb4c7f  libarchive-3.5.3.tar.xz
 "