diff --git a/Aliases/protobuf@3.17 b/Aliases/protobuf@3.19
similarity index 100%
rename from Aliases/protobuf@3.17
rename to Aliases/protobuf@3.19
diff --git a/Formula/protobuf.rb b/Formula/protobuf.rb
index 9e2ac8c8806..9b95f3f4d02 100644
--- a/Formula/protobuf.rb
+++ b/Formula/protobuf.rb
@@ -1,10 +1,9 @@
 class Protobuf < Formula
   desc "Protocol buffers (Google's data interchange format)"
   homepage "https://github.com/protocolbuffers/protobuf/"
-  url "https://github.com/protocolbuffers/protobuf/releases/download/v3.17.3/protobuf-all-3.17.3.tar.gz"
-  sha256 "77ad26d3f65222fd96ccc18b055632b0bfedf295cb748b712a98ba1ac0b704b2"
+  url "https://github.com/protocolbuffers/protobuf/releases/download/v3.19.1/protobuf-all-3.19.1.tar.gz"
+  sha256 "80631d5a18d51daa3a1336e340001ad4937e926762f21144c62d26fe2a8d71fe"
   license "BSD-3-Clause"
-  revision 1
 
   livecheck do
     url :stable