diff --git a/MANIFEST.in b/MANIFEST.in
index 949dee0d4..fc4a3b9af 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -10,6 +10,7 @@ include docs/kiva/agg/notes
 include kiva/_cython_speedups.*
 include kiva/_hit_test.*
 include kiva/_marker_renderer.*
+include pyproject.toml
 recursive-include docs *.py *.rst *.txt *.css *.png *.ico *.doc
 recursive-include enable/examples *.py *.svg *.jpg *.enaml
 recursive-include kiva/examples *.py *.txt *.gif *.jpg
diff --git a/enable/__init__.py b/enable/__init__.py
index 74c210174..f030b9e23 100644
--- a/enable/__init__.py
+++ b/enable/__init__.py
@@ -16,7 +16,7 @@
     __version__ = "not-built"
 
 __requires__ = [
-    "numpy", "pillow", "traits>=6.2.0", "traitsui", "pyface", "fonttools"
+    "numpy", "pillow", "traits>=6.2.0", "traitsui", "pyface>=7.2.0", "fonttools"
 ]
 
 __extras_require__ = {