diff --git a/CHANGES.md b/CHANGES.md
index 210c864..8a57f5f 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,10 @@
 # fmetools changes
 
+## 0.7.4
+
+* Update doc for `fmetools.paramparsing` to note FME 2024 requirement
+  when running under FME Flow.
+
 ## 0.7.3
 
 * Add links to HTML docs.
diff --git a/src/fmetools/__init__.py b/src/fmetools/__init__.py
index 610093a..993ff18 100644
--- a/src/fmetools/__init__.py
+++ b/src/fmetools/__init__.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 
-__version__ = "0.7.3"
+__version__ = "0.7.4"
 
 import gettext
 import os
diff --git a/src/fmetools/paramparsing.py b/src/fmetools/paramparsing.py
index ef26a3a..f105c51 100644
--- a/src/fmetools/paramparsing.py
+++ b/src/fmetools/paramparsing.py
@@ -1,9 +1,15 @@
 """
 This module provides :class:`TransformerParameterParser`,
-the recommended way to access transformer parameter values in FME 2023+.
+the recommended way to access transformer parameter values.
 
-.. note::
-    This module can only be imported in FME 2023 or newer.
+.. warning::
+    This module requires:
+
+    - FME Form 2023 b23224 or newer
+    - FME Flow 2024 b24145 or newer
+
+    Packages using this module and targeting both FME Form and FME Flow
+    should set ``minimum_fme_build`` in its package.yml accordingly.
 """
 from __future__ import annotations
 
@@ -21,6 +27,10 @@ class TransformerParameterParser:
     """
     Helper for getting parsed transformer parameter values.
 
+    .. warning::
+        Instantiating this class on FME Flow requires FME Flow b24145 or newer.
+        Instantiating the class on older versions of FME Flow will raise an exception.
+
     All parameters of Python transformers are set as attributes on input features.
     By convention, these attributes are given a prefix to give it a namespace and
     signify that they are internal attributes.