diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b8c967f8de37cc439828dd960975b1e1b9a37f75..cbfe9da95e3beb497fd44a7035a026c36062463e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -28,9 +28,8 @@ alma8:
       - PLATFORM:
           - alma8
         LCG_VERSION:
-          - dev3
-          - dev3cuda
-          - dev4cuda
+          - 106a
+          - 106a_cuda
 
 alma9:
   <<: *retry_policy
@@ -51,12 +50,9 @@ alma9:
       - PLATFORM:
           - alma9
         LCG_VERSION:
-          - dev3
-          - dev4
-          - dev3lhcb
-          - dev4lhcb
-          - devswan
-          - devAdePT
+          - 106a
+          - 106a_swan
+          - 106a_cuda
 
 ubuntu:
   <<: *retry_policy
@@ -76,8 +72,8 @@ ubuntu:
           - ubuntu20
           - ubuntu22
         LCG_VERSION:
-          - dev4
-          - dev4cuda
+          - 106a
+          - 106a_cuda
 
 special:
   <<: *retry_policy
@@ -95,19 +91,19 @@ special:
   parallel:
     matrix:
       - LCG_VERSION:
-          - dev4
+          - 106a
         BINARY_TAG: "arm64-mac12-clang140-opt"
         LCG_HOST_OS: "mac"
         LCG_HOST_OSVERS: "12"
         IS_APPLE: "ON"
       - LCG_VERSION:
-          - dev4
+          - 106a
         BINARY_TAG: "arm64-mac13-clang140-opt"
         LCG_HOST_OS: "mac"
         LCG_HOST_OSVERS: "12"
         IS_APPLE: "ON"
       - LCG_VERSION:
-          - dev4
+          - 106a
         BINARY_TAG: "aarch64-el9-gcc13-opt"
         LCG_HOST_OS: "alma"
         LCG_HOST_OSVERS: "9"
diff --git a/cmake/toolchain/heptools-dev4.cmake b/cmake/toolchain/heptools-106a.cmake
similarity index 100%
rename from cmake/toolchain/heptools-dev4.cmake
rename to cmake/toolchain/heptools-106a.cmake
diff --git a/cmake/toolchain/heptools-dev4cuda.cmake b/cmake/toolchain/heptools-106a_cuda.cmake
similarity index 80%
rename from cmake/toolchain/heptools-dev4cuda.cmake
rename to cmake/toolchain/heptools-106a_cuda.cmake
index e405a9b3440f103335558a7f28bc46adc1a67561..d92503fbd217ad226952e0e272cbd752d6bddee1 100644
--- a/cmake/toolchain/heptools-dev4cuda.cmake
+++ b/cmake/toolchain/heptools-106a_cuda.cmake
@@ -1,3 +1,3 @@
 #---List of externals----------------------------------------------
-include(heptools-dev4)
+include(heptools-106a)
 include(cuda_package_config)
diff --git a/cmake/toolchain/heptools-devswan.cmake b/cmake/toolchain/heptools-106a_swan.cmake
similarity index 98%
rename from cmake/toolchain/heptools-devswan.cmake
rename to cmake/toolchain/heptools-106a_swan.cmake
index 66b75f6f2384342da8b17d6692de3ba7fd6dcfc7..d5370a0f0dc6a2b7f0de109fbf217bf3e885d25b 100644
--- a/cmake/toolchain/heptools-devswan.cmake
+++ b/cmake/toolchain/heptools-106a_swan.cmake
@@ -1,6 +1,6 @@
 #---List of externals
 set(LCG_PYTHON_VERSION 3)
-include(heptools-dev3)
+include(heptools-106a)
 
 LCG_external_package(java              11.0.24p8                                  )
 
diff --git a/cmake/toolchain/heptools-dev-base.cmake b/cmake/toolchain/heptools-dev-base.cmake
index d8f200284789706c80729778653d4a22daaa95a2..3d1891a478c4c9e0253f3786c2814481278e1917 100644
--- a/cmake/toolchain/heptools-dev-base.cmake
+++ b/cmake/toolchain/heptools-dev-base.cmake
@@ -9,7 +9,9 @@ LCG_AA_project(HepMC 2.06.11)
 LCG_AA_project(Geant4 11.2.2)
 LCG_AA_project(Geant4-vecgeom-scalar 11.2.0)
 
-LCG_AA_project(Garfield++  HEAD  GIT=https://gitlab.cern.ch/garfield/garfieldpp.git)
+#LCG_AA_project(Garfield++  HEAD  GIT=https://gitlab.cern.ch/garfield/garfieldpp.git)
+# commit from September 26
+LCG_AA_project(Garfield++  9d53f104)
 if(${LCG_OS}${LCG_OSVERS} MATCHES centos|ubuntu|el)
   if(((${LCG_COMP} MATCHES gcc) AND (${LCG_COMPVERS} GREATER 9)) OR (${LCG_COMP} MATCHES clang))
     LCG_AA_project(Gaudi  v38r3  GIT=https://gitlab.cern.ch/gaudi/Gaudi.git)
diff --git a/cmake/toolchain/heptools-macos.cmake b/cmake/toolchain/heptools-macos.cmake
index 4b640a3365ee0a350768d3668eb8b02a4308983d..521801aacd94241840bd447555949c8e9af72edc 100644
--- a/cmake/toolchain/heptools-macos.cmake
+++ b/cmake/toolchain/heptools-macos.cmake
@@ -79,6 +79,7 @@ if(APPLE)
 
   if(LCG_ARCH MATCHES arm64)
     LCG_remove_package(nlox)
+    LCG_remove_package(ginac)
     LCG_remove_package(gosam)
     LCG_remove_package(gosam_contrib)
     LCG_remove_package(madgraph5amc)