diff --git a/envs/monkey_zoo/blackbox/island_client/monkey_island_client.py b/envs/monkey_zoo/blackbox/island_client/monkey_island_client.py
index 8f2df7131..9cc52413b 100644
--- a/envs/monkey_zoo/blackbox/island_client/monkey_island_client.py
+++ b/envs/monkey_zoo/blackbox/island_client/monkey_island_client.py
@@ -32,9 +32,16 @@ class MonkeyIslandClient(object):
 
     @avoid_race_condition
     def import_config(self, test_configuration: TestConfiguration):
-        _ = self.requests.post(
+        self.requests.post(
             "api/agent-configuration", data=test_configuration.agent_configuration.to_json()
         )
+        serialized_propagation_credentials = json.dumps(
+            [credential.to_json() for credential in test_configuration.propagation_credentials]
+        )
+        self.requests.post(
+            "/api/propagation-credentials/configured-credentials",
+            data=serialized_propagation_credentials,
+        )
 
     @avoid_race_condition
     def run_monkey_local(self):