diff --git a/toolchains/v100.persee/environment.sh b/toolchains/v100.persee/environment.sh
index 3d599269c..0ac4518f7 100644
--- a/toolchains/v100.persee/environment.sh
+++ b/toolchains/v100.persee/environment.sh
@@ -5,9 +5,9 @@ then
     exit 1
 fi
 
-. /data/gyselarunner/spack-0.20.0/share/spack/setup-env.sh
+. /data/gyselarunner/spack-0.22.2/share/spack/setup-env.sh
 
-spack load gcc@11
+spack load gcc@12
 spack env activate gyselalibxx-env-omp-cuda
 export OMP_PROC_BIND=spread
 export OMP_PLACES=threads
diff --git a/toolchains/xeon.persee/environment.sh b/toolchains/xeon.persee/environment.sh
index 494a9b692..32fc8ed82 100644
--- a/toolchains/xeon.persee/environment.sh
+++ b/toolchains/xeon.persee/environment.sh
@@ -5,4 +5,7 @@ then
     exit 1
 fi
 
-. /data/gyselarunner/gyselalibxx_spackactivate.sh
+. /data/gyselarunner/spack-0.22.2/share/spack/setup-env.sh
+
+spack load gcc@12
+spack env activate gyselalibxx-env-cuda