diff --git a/Projects/AthGeneration/build_externals.sh b/Projects/AthGeneration/build_externals.sh
index 034a3be3cad3db53de9282bedea596a5df5bd336..2046b1fcfd9ec5e9027991c98b56411968e9a27d 100755
--- a/Projects/AthGeneration/build_externals.sh
+++ b/Projects/AthGeneration/build_externals.sh
@@ -24,7 +24,8 @@ BUILDDIR=""
 BUILDTYPE="RelWithDebInfo"
 FORCE=""
 CI=""
-EXTRACMAKE=(-DLCG_VERSION_NUMBER=98 -DLCG_VERSION_POSTFIX="python3_ATLAS_2")
+EXTRACMAKE=(-DLCG_VERSION_NUMBER=98 -DLCG_VERSION_POSTFIX="python3_ATLAS_2"
+            -DATLAS_GAUDI_TAG="v35r0.001")
 while getopts ":t:b:x:fch" opt; do
     case $opt in
         t)
diff --git a/Projects/AthSimulation/build_externals.sh b/Projects/AthSimulation/build_externals.sh
index 081d69019849641fddf7a88731ef2a3f2d792066..ab39eecffaa9a7c4de00be785b8398248e0998ed 100755
--- a/Projects/AthSimulation/build_externals.sh
+++ b/Projects/AthSimulation/build_externals.sh
@@ -24,7 +24,8 @@ BUILDDIR=""
 BUILDTYPE="RelWithDebInfo"
 FORCE=""
 CI=""
-EXTRACMAKE=(-DLCG_VERSION_NUMBER=98 -DLCG_VERSION_POSTFIX="python3_ATLAS_2")
+EXTRACMAKE=(-DLCG_VERSION_NUMBER=98 -DLCG_VERSION_POSTFIX="python3_ATLAS_2"
+            -DATLAS_GAUDI_TAG="v35r0.001")
 while getopts ":t:b:x:fch" opt; do
     case $opt in
         t)
diff --git a/Projects/Athena/build_externals.sh b/Projects/Athena/build_externals.sh
index 109ad6a88ef223b29ad53c74bed7e813e697c42b..01e4fbb871eb9836877ecc2ab867733475d5dc26 100755
--- a/Projects/Athena/build_externals.sh
+++ b/Projects/Athena/build_externals.sh
@@ -24,7 +24,8 @@ BUILDDIR=""
 BUILDTYPE="RelWithDebInfo"
 FORCE=""
 CI=""
-EXTRACMAKE=(-DLCG_VERSION_NUMBER=98 -DLCG_VERSION_POSTFIX="python3_ATLAS_2")
+EXTRACMAKE=(-DLCG_VERSION_NUMBER=98 -DLCG_VERSION_POSTFIX="python3_ATLAS_2"
+            -DATLAS_GAUDI_TAG="v35r0.001")
 while getopts ":t:b:x:fch" opt; do
     case $opt in
         t)