diff --git a/cmake/toolchain/heptools-dev2.cmake b/cmake/toolchain/heptools-dev2.cmake
index 16127b3a143411383f7857d6d414243cf52a47aa..ee0098a22133f809ffaf9ce7703349d003a643e5 100644
--- a/cmake/toolchain/heptools-dev2.cmake
+++ b/cmake/toolchain/heptools-dev2.cmake
@@ -39,7 +39,7 @@ LCG_external_package(cx_oracle         5.1.1
 if(NOT ${LCG_OS} STREQUAL mac)
   LCG_external_package(Davix             0.4.0                                  )
 endif()
-LCG_external_package(doxygen           1.8.9.1                                  ) 
+LCG_external_package(doxygen           1.8.9.1.p1                                  ) 
 LCG_external_package(expat             2.0.1                                    )
 LCG_external_package(eigen             3.2.4                                    )
 LCG_external_package(fastjet           3.1.1                                    )