diff --git a/main/protobuf/APKBUILD b/main/protobuf/APKBUILD
index 236a84b59cae82a6f8f8756ae0d2bbaf237a3fb0..cb919a58483ac8b0cc882cc5011a7fbf935da1a8 100644
--- a/main/protobuf/APKBUILD
+++ b/main/protobuf/APKBUILD
@@ -2,7 +2,7 @@
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=protobuf
 _gemname=google-protobuf
-pkgver=3.21.4
+pkgver=3.21.5
 _tstver=5ec7f0c4a113e2f18ac2c6cc7df51ad6afc24081
 pkgrel=0
 pkgdesc="Library for extensible, efficient structure packing"
@@ -159,7 +159,7 @@ dev() {
 }
 
 sha512sums="
-0e68de4c8b05aed8b773984481a68be65ff6a763c006b08ffca409cdfa956e1cdb9afbc9f60b8d3512094bd85dc7edf245b7a45ee66b6aa5908e3439437901ec  protobuf-3.21.4.tar.gz
+11347a125bf7d15a472d9cb307221d72a34e49990d09f66d17e3df81a77ac27bf9d0c09db747db0ecfd1ddbaadcaad4f56042848428a7bff4940190c48b27fb0  protobuf-3.21.5.tar.gz
 623b077b3334958fafcbc34aa85891883277994af33be530efd903f47738a3e3562001cbf3b6da1a5e7d03803c5bd51bcc1fab81490db85d5a4f2b15e7de1495  googletest-5ec7f0c4a113e2f18ac2c6cc7df51ad6afc24081.tar.gz
 d5f482acdb0b4f48e88b70a14cb343bea177875f2125065c760d02c89a7658e55a82c531b5a5a0cc5270ae186cd01ccd17110d2d22dbc48a2f1240b3148ff3cb  ruby-fix-cflags.patch
 1bd542ea4d4b605bf8396769ddc65f86f13f214bb4a58ece4494d5451bd9ae547041af28dd500784f73d4417664466d2b031a81aa96eb6f0877c253731eb8e6d  skip-failing-tests.patch