diff --git a/pkgs/development/libraries/protobuf/3.4.nix b/pkgs/development/libraries/protobuf/3.4.nix
index 75f1bb22c248..5a9034a56a80 100644
--- a/pkgs/development/libraries/protobuf/3.4.nix
+++ b/pkgs/development/libraries/protobuf/3.4.nix
@@ -1,6 +1,6 @@
 { callPackage, lib, ... }:
 
 lib.overrideDerivation (callPackage ./generic-v3.nix {
-  version = "3.4.0";
-  sha256 = "0385j54kgr71h0cxh5vqr81qs57ack2g2k9mcdbq188v4ckjacyx";
+  version = "3.4.1";
+  sha256 = "1lzxmbqlnmi34kymnf399azv86gmdbrf71xiad6wc24bzpkzqybb";
 }) (attrs: { NIX_CFLAGS_COMPILE = "-Wno-error"; })
diff --git a/pkgs/development/libraries/protobuf/3.5.nix b/pkgs/development/libraries/protobuf/3.5.nix
new file mode 100644
index 000000000000..db9cb6f0371b
--- /dev/null
+++ b/pkgs/development/libraries/protobuf/3.5.nix
@@ -0,0 +1,6 @@
+{ callPackage, lib, ... }:
+
+lib.overrideDerivation (callPackage ./generic-v3.nix {
+  version = "3.5.1.1";
+  sha256 = "1h4xydr5j2zg1888ncn8a1jvqq8fgpgckrmjg6lqzy9jpkvqvfdk";
+}) (attrs: { NIX_CFLAGS_COMPILE = "-Wno-error"; })
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 5cba0bfa2029..c0a0a8b9b634 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -10769,8 +10769,10 @@ with pkgs;
 
   postgis = callPackage ../development/libraries/postgis { };
 
-  protobuf = callPackage ../development/libraries/protobuf/3.4.nix { };
+  protobuf = protobuf3_5;
 
+  protobuf3_5 = callPackage ../development/libraries/protobuf/3.5.nix { };
+  protobuf3_4 = callPackage ../development/libraries/protobuf/3.4.nix { };
   protobuf3_1 = callPackage ../development/libraries/protobuf/3.1.nix { };
   protobuf2_5 = callPackage ../development/libraries/protobuf/2.5.nix { };