diff --git a/deploy-guide/source/conf.py b/deploy-guide/source/conf.py
index 839086edd46ff5b4f389f64aafccfa532427529b..d89fc586cd25fe0ae4c6a6ed1f960238558c9f00 100644
--- a/deploy-guide/source/conf.py
+++ b/deploy-guide/source/conf.py
@@ -107,7 +107,7 @@ exclude_patterns = ["common_prerequisites.rst", "common_configure.rst"]
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []
diff --git a/doc/source/conf.py b/doc/source/conf.py
index 48bdee8de68b2413a666bcf979e397b54c69f7a5..671469526aad77e7353d781b1ab7c67ac8886376 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -59,7 +59,7 @@ 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 08c5259f5ec236c3811ac284ad62c85ba4ebd239..a542c00e9a87c099434bd0cf745f5ab7aa01c77a 100644
--- a/releasenotes/source/conf.py
+++ b/releasenotes/source/conf.py
@@ -85,7 +85,7 @@ exclude_patterns = []
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []