diff --git a/srcpkgs/protobuf/template b/srcpkgs/protobuf/template
index 9ccee65b8e8..10433489ea3 100644
--- a/srcpkgs/protobuf/template
+++ b/srcpkgs/protobuf/template
@@ -1,6 +1,6 @@
 # Template file for 'protobuf'
 pkgname=protobuf
-version=21.5
+version=21.6
 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=4a7e87e4166c358c63342dddcde6312faee06ea9d5bb4e2fa87d3478076f6639
+checksum=dbb16fdbca8f277c9a194d9a837395cde408ca136738d94743130dd0de015efd
 # Checks rely on googletest
 make_check=no