diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 81d85c68bc14418b69a3c701e57ffd4561f5f6b9..431584b9de4a73bfeb77d6abf2cc215e3a41407f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -32,10 +32,10 @@ alma:
           - alma9
         LCG_VERSION:
           - 105
-          - 105_LHCB_Core
-          - 105_LHCB_7
           - 105a
           - 105b
+          - 105b_LHCB_Core
+          - 105b_LHCB_7
 
 centos:
   <<: *retry_policy
diff --git a/cmake/toolchain/heptools-105b_LHCB_7.cmake b/cmake/toolchain/heptools-105b_LHCB_7.cmake
new file mode 100644
index 0000000000000000000000000000000000000000..2f0cc80260a78b7103c795de2960de4767ec7960
--- /dev/null
+++ b/cmake/toolchain/heptools-105b_LHCB_7.cmake
@@ -0,0 +1,7 @@
+#---List of externals----------------------------------------------
+set(LCG_PYTHON_VERSION 3)
+include(heptools-105b)
+
+SET(LHCB_JSON_FILE https://gitlab.cern.ch/lhcb-core/rpm-recipes/-/raw/master/LHCBEXTERNALS/105/LHCBEXTERNALS_105b_LHCB_7.json)
+
+include(heptools-lhcbsetup)
diff --git a/cmake/toolchain/heptools-105b_LHCB_Core.cmake b/cmake/toolchain/heptools-105b_LHCB_Core.cmake
new file mode 100644
index 0000000000000000000000000000000000000000..8a4c8afb832bfca0277ee925a9c99e1e337f6494
--- /dev/null
+++ b/cmake/toolchain/heptools-105b_LHCB_Core.cmake
@@ -0,0 +1,7 @@
+#---List of externals----------------------------------------------
+set(LCG_PYTHON_VERSION 3)
+include(heptools-105b)
+
+SET(LHCB_JSON_FILE https://gitlab.cern.ch/lhcb-core/rpm-recipes/-/raw/master/LHCBEXTERNALS/105/LHCBEXTERNALS_105b_LHCB_Core.json)
+
+include(heptools-lhcbsetup)