diff --git a/pkgs/development/libraries/protobuf/3.20.nix b/pkgs/development/libraries/protobuf/3.20.nix
new file mode 100644
index 000000000000..93d180159b87
--- /dev/null
+++ b/pkgs/development/libraries/protobuf/3.20.nix
@@ -0,0 +1,6 @@
+{ callPackage, abseil-cpp, ... }:
+
+callPackage ./generic-v3.nix {
+  version = "3.20.1";
+  sha256 = "sha256-pAMacD0UQetqysZHszu5slPqp0iREtDmHFv1cgcUBJA=";
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index daab3de1f055..83966fcc197e 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -20527,6 +20527,7 @@ with pkgs;
 
   protobuf = protobuf3_19;
 
+  protobuf3_20 = callPackage ../development/libraries/protobuf/3.20.nix { };
   protobuf3_19 = callPackage ../development/libraries/protobuf/3.19.nix { };
   protobuf3_17 = callPackage ../development/libraries/protobuf/3.17.nix { };
   protobuf3_11 = callPackage ../development/libraries/protobuf/3.11.nix { };