diff --git a/doc/conf.py b/doc/conf.py
index 9fff373bbf..3f308a0343 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -521,6 +521,7 @@ breathe_domain_by_extension = {
     "c": "c",
 }
 breathe_separate_member_pages = True
+breathe_show_enumvalue_initializer = True
 
 # Qualifiers to a function are causing Sphihx/Breathe to warn about
 # Error when parsing function declaration and more.  This is a list
diff --git a/scripts/requirements-doc.txt b/scripts/requirements-doc.txt
index 9bd312e2ba..71133b527f 100644
--- a/scripts/requirements-doc.txt
+++ b/scripts/requirements-doc.txt
@@ -1,6 +1,6 @@
 # DOC: used to generate docs
 
-breathe>=4.21.0
+breathe>=4.23.0
 docutils>=0.16
 sphinx>=3.2.0,<4.0
 sphinx_rtd_theme