diff --git a/doc/source/conf.py b/doc/source/conf.py
index 3b5cbf09..42f259e3 100755
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -54,7 +54,7 @@ add_function_parentheses = True
 add_module_names = True
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # -- Options for HTML output --------------------------------------------------
 
diff --git a/releasenotes/source/conf.py b/releasenotes/source/conf.py
index 47477864..4d9373ce 100644
--- a/releasenotes/source/conf.py
+++ b/releasenotes/source/conf.py
@@ -78,12 +78,11 @@ release = ''
 exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # If true, `todo` and `todoList` produce output, else they produce nothing.
 todo_include_todos = False
 
-
 # -- Options for HTML output ----------------------------------------------
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for