diff --git a/python-OWSLib.spec b/python-OWSLib.spec
index 5c545e4..b87aaed 100644
--- a/python-OWSLib.spec
+++ b/python-OWSLib.spec
@@ -1,8 +1,12 @@
 # Sphinx-generated HTML documentation is not suitable for packaging; see
 # https://bugzilla.redhat.com/show_bug.cgi?id=2006555 for discussion.
 #
-# We can generate PDF documentation as a substitute.
-%bcond_without doc_pdf
+# We can generate PDF documentation as a substitute. However, EPEL9 is
+# currently missing some documentation dependencies:
+#   - python-ipykernel
+#   - python-nbconvert
+#   - python-nbsphinx
+%bcond_with doc_pdf
 
 Name:           python-OWSLib
 Version:        0.27.2