diff --git a/gov_uk_dashboards/assets/images/MHCLG-favicon.png b/gov_uk_dashboards/assets/images/MHCLG-favicon.png
new file mode 100644
index 0000000..f8a53af
Binary files /dev/null and b/gov_uk_dashboards/assets/images/MHCLG-favicon.png differ
diff --git a/gov_uk_dashboards/assets/images/mhclg_white_no_background.png b/gov_uk_dashboards/assets/images/mhclg_white_no_background.png
new file mode 100644
index 0000000..e324c3d
Binary files /dev/null and b/gov_uk_dashboards/assets/images/mhclg_white_no_background.png differ
diff --git a/gov_uk_dashboards/components/plotly/header.py b/gov_uk_dashboards/components/plotly/header.py
index 2475c3b..d6c56f8 100644
--- a/gov_uk_dashboards/components/plotly/header.py
+++ b/gov_uk_dashboards/components/plotly/header.py
@@ -19,8 +19,8 @@ def header(title: str, strong_class: str = "", background_colour: str = None):
             html.Div(
                 [
                     html.Img(
-                        src="assets\\images\\DLUHC_WHITE_Master_AW_sm.png",
-                        srcSet="assets\\images\\DLUHC_WHITE_Master_AW_sm.png 490w",
+                        src="assets\\images\\mhclg_white_no_background.png",
+                        srcSet="assets\\images\\mhclg_white_no_background.png 490w",
                         sizes="(min-width: 600px) 200px, 30vw",
                         className="header-image",
                         style={"maxWidth": "200px"},
@@ -43,6 +43,7 @@ def header(title: str, strong_class: str = "", background_colour: str = None):
                                 "OFFICIAL",
                                 className="govuk-tag protective-marking",
                                 id="protective-marking",
+                                style={"background-color": "#000000"},
                             )
                         ],
                         className=f"{strong_class}",
@@ -56,9 +57,11 @@ def header(title: str, strong_class: str = "", background_colour: str = None):
                 className="govuk-header__content",
             ),
             className="govuk-header__container govuk-width-container",
+            style={"border-bottom": "10px solid #000000"},
         ),
         className="govuk-header",
         role="banner",
-        style=header_style,
+        style=header_style
+        | {"border-color": "#000000", "background-color": "rgb(0,98,94)"},
         **{"data-module": "govuk-header"},
     )
diff --git a/setup.py b/setup.py
index cf986d8..961fba6 100644
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,7 @@
     author="Department for Levelling Up, Housing and Communities",
     description="Provides access to functionality common to creating a data dashboard.",
     name="gov_uk_dashboards",
-    version="9.43.0",
+    version="10.0.0",
     long_description=long_description,
     long_description_content_type="text/markdown",
     packages=find_packages(),