diff --git a/srcpkgs/protobuf/template b/srcpkgs/protobuf/template
index 9701aa684d8..9ccee65b8e8 100644
--- a/srcpkgs/protobuf/template
+++ b/srcpkgs/protobuf/template
@@ -1,6 +1,6 @@
 # Template file for 'protobuf'
 pkgname=protobuf
-version=21.4
+version=21.5
 revision=1
 wrksrc="protobuf-${version}"
 build_style=gnu-configure
@@ -12,7 +12,7 @@ license="BSD-3-Clause"
 homepage="https://developers.google.com/protocol-buffers/"
 changelog="https://raw.githubusercontent.com/google/protobuf/master/CHANGES.txt"
 distfiles="https://github.com/protocolbuffers/protobuf/archive/v${version}.tar.gz"
-checksum=990e47a163b4057f98b899eca591981b5b735872b58f59b9ead9cecabbb21a2a
+checksum=4a7e87e4166c358c63342dddcde6312faee06ea9d5bb4e2fa87d3478076f6639
 # Checks rely on googletest
 make_check=no