diff --git a/InvenTree/InvenTree/settings.py b/InvenTree/InvenTree/settings.py
index ba2808a8dd..e811028ccc 100644
--- a/InvenTree/InvenTree/settings.py
+++ b/InvenTree/InvenTree/settings.py
@@ -89,6 +89,13 @@ with open(cfg_filename, 'r') as cfg:
 # We will place any config files in the same directory as the config file
 config_dir = os.path.dirname(cfg_filename)
 
+# Check if the plugin.txt file (specifying required plugins) is specified
+PLUGIN_FILE = os.getenv('INVENTREE_PLUGIN_FILE')
+
+if not PLUGIN_FILE:
+    # If not specified, look in the same directory as the configuration file
+    PLUGIN_FILE = os.path.join(config_dir, 'plugins.txt')
+
 # Default action is to run the system in Debug mode
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = _is_true(get_setting(
diff --git a/requirements.txt b/requirements.txt
index d6405bb7bc..a150ae503a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,6 +33,7 @@ flake8==3.8.3                   # PEP checking
 gunicorn>=20.1.0                # Gunicorn web server
 importlib_metadata              # Backport for importlib.metadata
 inventree                       # Install the latest version of the InvenTree API python library
+invoke>=1.6.0                   # Invoke management tool (must be installed in venv)
 markdown==3.3.4                 # Force particular version of markdown
 pep8-naming==0.11.1             # PEP naming convention extension
 pillow==8.3.2                   # Image manipulation