diff --git a/CLAUDE.md b/CLAUDE.md
index 9770ef5..3384c07 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -22,17 +22,17 @@ No external dependencies — Python 3 standard library only. Compatible with Tru
 ## File Structure
 
 ```
-es24n_conf.py          ← Entry point and main menu (run this)
-es24n/
-    ui.py              ← ANSI colours, display helpers, input prompts
-    serial_port.py     ← SerialPort class (termios/fcntl/select, no pyserial)
-    models.py          ← IOMConfig and ShelfConfig dataclasses
-    redfish.py         ← Redfish API client (shared by all workflows)
-    workflow_serial.py ← Serial-based IOM network configuration workflow
-    workflow_firmware.py ← IOM and Fabric Card firmware update workflow
+es24n_conf.py               ← Entry point and main menu (run this)
+modules/
+    ui.py                   ← ANSI colours, display helpers, input prompts
+    serial_port.py          ← SerialPort class (termios/fcntl/select, no pyserial)
+    models.py               ← IOMConfig and ShelfConfig dataclasses
+    redfish.py              ← Redfish API client (shared by all workflows)
+    workflow_serial.py      ← Serial-based IOM network configuration workflow
+    workflow_firmware.py    ← IOM and Fabric Card firmware update workflow
 ```
 
-`es24n_conf.py` adds `es24n/` to `sys.path` at startup so all inter-module imports work without a package structure.
+`es24n_conf.py` adds `modules/` to `sys.path` at startup so all inter-module imports work without a package structure.
 
 ## Workflows
 
diff --git a/README.md b/README.md
index 43fcf85..b734065 100644
--- a/README.md
+++ b/README.md
@@ -67,14 +67,14 @@ Connects to each IOM directly over the network and updates IOM and/or Fabric Car
 ## File Structure
 
 ```
-es24n_conf.py            ← Entry point — run this
-es24n/
-    ui.py                ← Display helpers and input prompts
-    serial_port.py       ← Serial port driver (no pyserial required)
-    models.py            ← IOMConfig and ShelfConfig data classes
-    redfish.py           ← Redfish API client (shared by all workflows)
-    workflow_serial.py   ← Serial-based network configuration workflow
-    workflow_firmware.py ← Firmware update workflow
+es24n_conf.py               ← Entry point — run this
+modules/
+    ui.py                   ← Display helpers and input prompts
+    serial_port.py          ← Serial port driver (no pyserial required)
+    models.py               ← IOMConfig and ShelfConfig data classes
+    redfish.py              ← Redfish API client (shared by all workflows)
+    workflow_serial.py      ← Serial-based network configuration workflow
+    workflow_firmware.py    ← Firmware update workflow
 ```
 
 ## Notes
diff --git a/es24n_conf.py b/es24n_conf.py
index 367f206..1be27e3 100755
--- a/es24n_conf.py
+++ b/es24n_conf.py
@@ -10,7 +10,7 @@ Compatible with TrueNAS (FreeBSD) and Linux.
 Usage:
     python3 es24n_conf.py
 
-All files in the es24n/ subdirectory must be present:
+All files in the modules/ subdirectory must be present:
     ui.py, serial_port.py, models.py, redfish.py,
     workflow_serial.py, workflow_firmware.py
 """
@@ -19,7 +19,7 @@ import os
 import sys
 import time
 
-sys.path.insert(0, os.path.join(os.path.dirname(os.path.abspath(__file__)), "es24n"))
+sys.path.insert(0, os.path.join(os.path.dirname(os.path.abspath(__file__)), "modules"))
 
 from ui import _c, C, banner, draw_box, ok, warn, prompt
 from workflow_firmware import firmware_update_workflow
diff --git a/es24n/models.py b/modules/models.py
similarity index 100%
rename from es24n/models.py
rename to modules/models.py
diff --git a/es24n/redfish.py b/modules/redfish.py
similarity index 100%
rename from es24n/redfish.py
rename to modules/redfish.py
diff --git a/es24n/serial_port.py b/modules/serial_port.py
similarity index 100%
rename from es24n/serial_port.py
rename to modules/serial_port.py
diff --git a/es24n/ui.py b/modules/ui.py
similarity index 100%
rename from es24n/ui.py
rename to modules/ui.py
diff --git a/es24n/workflow_firmware.py b/modules/workflow_firmware.py
similarity index 100%
rename from es24n/workflow_firmware.py
rename to modules/workflow_firmware.py
diff --git a/es24n/workflow_serial.py b/modules/workflow_serial.py
similarity index 100%
rename from es24n/workflow_serial.py
rename to modules/workflow_serial.py