diff --git a/src/prelaunch_data_generator/validator_keystores/validator_keystore_generator.star b/src/prelaunch_data_generator/validator_keystores/validator_keystore_generator.star
index 2d42b2b6d..e2ac0bded 100644
--- a/src/prelaunch_data_generator/validator_keystores/validator_keystore_generator.star
+++ b/src/prelaunch_data_generator/validator_keystores/validator_keystore_generator.star
@@ -226,6 +226,14 @@ def generate_valdiator_keystores_in_parallel(plan, mnemonic, participants):
             stop_index,
             generation_finished_filepath,
         )
+        teku_permissions_cmd = (
+            " && chmod 777 -R " + output_dirpath + "/" + TEKU_KEYS_DIRNAME
+        )
+        raw_secret_permissions_cmd = (
+            " && chmod 0600 -R " + output_dirpath + "/" + RAW_SECRETS_DIRNAME
+        )
+        generate_keystores_cmd += teku_permissions_cmd
+        generate_keystores_cmd += raw_secret_permissions_cmd
         all_generation_commands.append(generate_keystores_cmd)
         all_output_dirpaths.append(output_dirpath)