diff --git a/Projects/Athena/externals/Herwig3.cmake b/Projects/Athena/externals/Herwig3.cmake
index 9e84bcad7793547f59c5baaf9ee94761d9738477..0485c71c6324bfed9195dc157c4e2b8cbb762844 100644
--- a/Projects/Athena/externals/Herwig3.cmake
+++ b/Projects/Athena/externals/Herwig3.cmake
@@ -2,6 +2,6 @@
 # File specifying the location of Herwig3 to use.
 #
 
-set( HERWIG3_LCGVERSION 7.1.3p1 )
+set( HERWIG3_LCGVERSION 7.1.4 )
 set( HERWIG3_LCGROOT
    ${LCG_RELEASE_DIR}/MCGenerators/herwig++/${HERWIG3_LCGVERSION}/${LCG_PLATFORM} )
diff --git a/Projects/Athena/externals/ThePEG.cmake b/Projects/Athena/externals/ThePEG.cmake
index 8773d80e083448ad926528a2fb53cd084d1ae668..4b9c32691f2b69d8f3ee6d3b08a64635db5adafc 100644
--- a/Projects/Athena/externals/ThePEG.cmake
+++ b/Projects/Athena/externals/ThePEG.cmake
@@ -2,6 +2,6 @@
 # File specifying the location of ThePEG to use.
 #
 
-set( THEPEG_LCGVERSION 2.1.3p1 )
+set( THEPEG_LCGVERSION 2.1.4 )
 set( THEPEG_LCGROOT
    ${LCG_RELEASE_DIR}/MCGenerators/thepeg/${THEPEG_LCGVERSION}/${LCG_PLATFORM} )