diff --git a/cmake/toolchain/heptools-rootext.cmake b/cmake/toolchain/heptools-rootext.cmake
index f9701f0d126a43f615d67653e43016d09ebf22be..4cc14d93addc02e116daa4fee67ceaa9b81d42ea 100644
--- a/cmake/toolchain/heptools-rootext.cmake
+++ b/cmake/toolchain/heptools-rootext.cmake
@@ -123,6 +123,7 @@ if(NOT ${LCG_OS}${LCG_OSVERS} STREQUAL mac109 AND NOT LCG_TARGET MATCHES "icc" )
   LCG_external_package(valgrind          3.10.0                                    )
 endif()
 LCG_external_package(vdt               0.3.6                                    )
+LCG_external_package(xapian            1.2.21                                    )
 LCG_external_package(XercesC           3.1.1p1        author=3.1.1              )
 LCG_external_package(xqilla            2.2.4p1                                  )
 LCG_external_package(xrootd            3.3.6                                    )