diff --git a/cmake/toolchain/heptools-dev4.cmake b/cmake/toolchain/heptools-dev4.cmake
index 8b2915a628bdd7ecbf6150047095b8da4a1fb233..5723f2f78241d6105ac5ffa8fc675b23b078f344 100644
--- a/cmake/toolchain/heptools-dev4.cmake
+++ b/cmake/toolchain/heptools-dev4.cmake
@@ -24,3 +24,5 @@ if(APPLE)
   LCG_remove_package(unigen)
 endif()
 
+#Temporary for ATLAS: Old protobuf version
+LCG_external_package(protobuf          2.5.0                                    )