diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2ac5d6cece1f..f405167562ad 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8224,7 +8224,7 @@ in
   mesos = callPackage ../applications/networking/cluster/mesos {
     sasl = cyrus_sasl;
     inherit (pythonPackages) python boto setuptools wrapPython;
-    pythonProtobuf = pythonPackages.protobuf;
+    pythonProtobuf = pythonPackages.protobuf.override { protobuf = protobuf3_6; };
     perf = linuxPackages.perf;
   };