diff --git a/pkgs/development/libraries/protobuf/3.15.nix b/pkgs/development/libraries/protobuf/3.15.nix
new file mode 100644
index 000000000000..6bb4edd2e461
--- /dev/null
+++ b/pkgs/development/libraries/protobuf/3.15.nix
@@ -0,0 +1,6 @@
+{ callPackage, ... }:
+
+callPackage ./generic-v3.nix {
+  version = "3.15.1";
+  sha256 = "0rxl0vkv532x85q9cf11njw12vmp9kxqb1i8hdg4lfmi55waa9wr";
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 6dd2f6c42ac5..f0987727c9d5 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -16362,6 +16362,7 @@ in
 
   protobuf = protobuf3_14;
 
+  protobuf3_15 = callPackage ../development/libraries/protobuf/3.15.nix { };
   protobuf3_14 = callPackage ../development/libraries/protobuf/3.14.nix { };
   protobuf3_13 = callPackage ../development/libraries/protobuf/3.13.nix { };
   protobuf3_12 = callPackage ../development/libraries/protobuf/3.12.nix { };