diff --git a/data/grid5000/accesses/nodesets.json b/data/grid5000/accesses/nodesets.json
index 26697132664bd1f71dea965f1d37edea318d7e75..11c97e96c28912454aaf0c122602d82bf571655f 100644
--- a/data/grid5000/accesses/nodesets.json
+++ b/data/grid5000/accesses/nodesets.json
@@ -1695,7 +1695,8 @@
   "grosminet": {
     "p1": {
       "ggas": [
-        "caramba"
+        "caramba",
+        "cryptanalyse"
       ],
       "sites": [
         "mc-staff-site",
@@ -1769,7 +1770,8 @@
   "grostiti": {
     "p1": {
       "ggas": [
-        "caramba"
+        "caramba",
+        "cryptanalyse"
       ],
       "sites": [
         "mc-staff-site",
diff --git a/input/grid5000/access/nancy.yaml b/input/grid5000/access/nancy.yaml
index 74fb6be12af9700ce3d6038efaca2116514714d2..6d93e2b096d1b941aa686c043dc300ccbf094af4 100644
--- a/input/grid5000/access/nancy.yaml
+++ b/input/grid5000/access/nancy.yaml
@@ -25,12 +25,12 @@ grele:
     p3: ['@inria_group']
     p4: ['@other_groups_with_access']
 grosminet:
-    p1: ['caramba', '@admin']
+    p1: ['caramba', 'cryptanalyse', '@admin']
     p2: ['@inria_nancy_group']
     p3: ['@inria_group']
     p4: ['@other_groups_with_access']
 grostiti:
-    p1: ['caramba', '@admin']
+    p1: ['caramba', 'cryptanalyse', '@admin']
     p2: ['@inria_nancy_group']
     p3: ['@inria_group']
     p4: ['@other_groups_with_access']