diff --git a/pkgs/development/libraries/protobuf/3.12.nix b/pkgs/development/libraries/protobuf/3.12.nix
new file mode 100644
index 000000000000..00d9ec7f96fc
--- /dev/null
+++ b/pkgs/development/libraries/protobuf/3.12.nix
@@ -0,0 +1,6 @@
+{ callPackage, ... }:
+
+callPackage ./generic-v3.nix {
+  version = "3.12.0";
+  sha256 = "0ac0v7mx2sf4hwf61074bgh2m1q0rs88c7gc6v910sd7cw7gql3a";
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 51dec492b21e..7e32522158ce 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -14075,6 +14075,7 @@ in
 
   protobuf = protobuf3_8;
 
+  protobuf3_12 = callPackage ../development/libraries/protobuf/3.12.nix { };
   protobuf3_11 = callPackage ../development/libraries/protobuf/3.11.nix { };
   protobuf3_10 = callPackage ../development/libraries/protobuf/3.10.nix { };
   protobuf3_9 = callPackage ../development/libraries/protobuf/3.9.nix { };