diff --git a/cmake/toolchain/heptools-dev-generators.cmake b/cmake/toolchain/heptools-dev-generators.cmake
index 724b9a0482484669958fb87f164bd3133d5423e8..87d699a9e03c3c129fc5ef2a6d178fe00a385b13 100644
--- a/cmake/toolchain/heptools-dev-generators.cmake
+++ b/cmake/toolchain/heptools-dev-generators.cmake
@@ -1,8 +1,8 @@
 set(MCGENPATH  MCGenerators)
 
 if(LCG_PYTHON_VERSION EQUAL 2)
-  LCG_external_package(sherpa            2.2.8          ${MCGENPATH}/sherpa       author=2.2.8 hepevt=200000)
-  LCG_external_package(sherpa-openmpi    2.2.8.openmpi3  ${MCGENPATH}/sherpa      author=2.2.8 hepevt=200000)
+  LCG_external_package(sherpa            2.2.9          ${MCGENPATH}/sherpa       author=2.2.9 hepevt=200000)
+  LCG_external_package(sherpa-openmpi    2.2.9.openmpi3  ${MCGENPATH}/sherpa      author=2.2.9 hepevt=200000)
 endif(LCG_PYTHON_VERSION EQUAL 2)
 
 LCG_external_package(openloops         2.1.1          ${MCGENPATH}/openloops)