diff --git a/srcpkgs/python3-protobuf/template b/srcpkgs/python3-protobuf/template
index 215067f9372..387a57b82b5 100644
--- a/srcpkgs/python3-protobuf/template
+++ b/srcpkgs/python3-protobuf/template
@@ -1,6 +1,6 @@
 # Template file for 'python3-protobuf'
 pkgname=python3-protobuf
-version=3.15.1
+version=3.15.3
 revision=1
 wrksrc="${pkgname#*-}-${version}"
 build_style=python3-module
@@ -11,7 +11,7 @@ maintainer="Andrew J. Hesford <ajh@sideband.org>"
 license="BSD-3-Clause"
 homepage="https://developers.google.com/protocol-buffers/"
 distfiles="${PYPI_SITE}/p/protobuf/protobuf-${version}.tar.gz"
-checksum=824dbae3390fcc3ea1bf96748e6da951a601802894cf7e1465e72b4732538cab
+checksum=f3348af83391cdb842030e774d9bb01565ed4c62c93554cd1c69723411ec5e9d
 
 build_options="cppext"
 build_options_default="cppext"