diff --git a/cmake/toolchain/heptools-85swan3.cmake b/cmake/toolchain/heptools-85swan3.cmake
index 942296f572f05a789bd94981dfab4c5c000020b7..3412e192ee7c91d4335770f17b744d986b553757 100644
--- a/cmake/toolchain/heptools-85swan3.cmake
+++ b/cmake/toolchain/heptools-85swan3.cmake
@@ -12,8 +12,8 @@ include(${CMAKE_CURRENT_LIST_DIR}/heptools-common.cmake)
 
 
 # Application Area Projects
-LCG_AA_project(COOL  3_1_5)
-LCG_AA_project(CORAL 3_1_5)
+LCG_AA_project(COOL  3_1_4)
+LCG_AA_project(CORAL 3_1_4)
 LCG_AA_project(RELAX RELAX-root6)
 LCG_AA_project(ROOT  v6-07-07-aliceml)
 LCG_AA_project(LCGCMT LCGCMT_${heptools_version})