diff --git a/doc/code_samples/g5k_tcp_congestion.py b/doc/code_samples/g5k_tcp_congestion.py
index 391729ac91792e24e486019e4def1575b50d697d..11de1c9a084e54ddf603ce39aeaaad46b7635330 100644
--- a/doc/code_samples/g5k_tcp_congestion.py
+++ b/doc/code_samples/g5k_tcp_congestion.py
@@ -47,7 +47,7 @@ class g5k_tcp_congestion(Engine):
                     nodes = get_oargrid_job_nodes(jobid)
                     if len(nodes) != 2: raise Exception("not enough nodes")
                     logger.info("deploy %i nodes" % (len(nodes),))
-                    deployed, undeployed = deploy(Deployment(nodes, env_name = "jessie-x64-min"))
+                    deployed, undeployed = deploy(Deployment(nodes, env_name = "debian11-min"))
                     logger.info("%i deployed, %i undeployed" % (len(deployed), len(undeployed)))
                     if len(deployed) != 2: raise Exception("not enough deployed nodes")
                     logger.info("prepare nodes")
diff --git a/doc/code_samples/g5k_tcptrace.py b/doc/code_samples/g5k_tcptrace.py
index fff8bda36a7c2fc16252e9915004d5170a8c5849..e201f6ae6b5d2fe358333479288e99ab88cd5564 100644
--- a/doc/code_samples/g5k_tcptrace.py
+++ b/doc/code_samples/g5k_tcptrace.py
@@ -8,7 +8,7 @@ logger.info("currently running oar jobs " + str(running_jobs))
 logger.info("get job nodes")
 nodes = [ job_nodes for job in running_jobs for job_nodes in get_oar_job_nodes(*job) ]
 logger.info("deploying %i nodes" % (len(nodes),))
-deployed, undeployed = deploy(Deployment(nodes, env_name = "wheezy-x64-min"))
+deployed, undeployed = deploy(Deployment(nodes, env_name = "debian11-min"))
 logger.info("%i deployed, %i undeployed" % (len(deployed), len(undeployed)))
 if len(deployed) >= 2:
     sources = list(deployed)[0:1]