diff --git a/lib/java/android/support/design/dialog/build.gradle b/lib/java/android/support/design/dialog/build.gradle
index 80e5f213f..af01b00ea 100644
--- a/lib/java/android/support/design/dialog/build.gradle
+++ b/lib/java/android/support/design/dialog/build.gradle
@@ -8,6 +8,7 @@ dependencies {
   implementation compatibility("v7/appcompat")
 
   implementation project(fromPath("lib/java/android/support/design/bottomnavigation"))
+  implementation project(fromPath("lib/java/android/support/design/bottomappbar"))
   implementation project(fromPath("lib/java/android/support/design/button"))
   implementation project(fromPath("lib/java/android/support/design/card"))
   implementation project(fromPath("lib/java/android/support/design/chip"))
diff --git a/lib/java/android/support/design/dialog/res/values/themes_base.xml b/lib/java/android/support/design/dialog/res/values/themes_base.xml
index a52e2a6ce..bcbcff858 100644
--- a/lib/java/android/support/design/dialog/res/values/themes_base.xml
+++ b/lib/java/android/support/design/dialog/res/values/themes_base.xml
@@ -72,6 +72,7 @@
 
     <!-- Widget styles -->
     <item name="borderlessButtonStyle">@style/Widget.MaterialComponents.Button.TextButton</item>
+    <item name="bottomAppBarStyle">@style/Widget.MaterialComponents.BottomAppBar</item>
     <item name="bottomNavigationStyle">
       @style/Widget.MaterialComponents.BottomNavigationView.Colored
     </item>
@@ -147,6 +148,7 @@
 
     <!-- Widget styles -->
     <item name="borderlessButtonStyle">@style/Widget.MaterialComponents.Button.TextButton</item>
+    <item name="bottomAppBarStyle">@style/Widget.MaterialComponents.BottomAppBar</item>
     <item name="bottomNavigationStyle">@style/Widget.MaterialComponents.BottomNavigationView</item>
     <item name="buttonBarButtonStyle">@style/Widget.MaterialComponents.Button.TextButton.Dialog</item>
     <item name="chipStyle">@style/Widget.MaterialComponents.Chip.Action</item>
diff --git a/lib/java/android/support/design/theme/res/values/themes_base.xml b/lib/java/android/support/design/theme/res/values/themes_base.xml
index 15ee37049..ba6bdd7b2 100644
--- a/lib/java/android/support/design/theme/res/values/themes_base.xml
+++ b/lib/java/android/support/design/theme/res/values/themes_base.xml
@@ -72,6 +72,7 @@
 
     <!-- Widget styles -->
     <item name="borderlessButtonStyle">@style/Widget.MaterialComponents.Button.TextButton</item>
+    <item name="bottomAppBarStyle">@style/Widget.MaterialComponents.BottomAppBar</item>
     <item name="bottomNavigationStyle">
       @style/Widget.MaterialComponents.BottomNavigationView.Colored
     </item>
@@ -146,6 +147,7 @@
 
     <!-- Widget styles -->
     <item name="borderlessButtonStyle">@style/Widget.MaterialComponents.Button.TextButton</item>
+    <item name="bottomAppBarStyle">@style/Widget.MaterialComponents.BottomAppBar</item>
     <item name="bottomNavigationStyle">@style/Widget.MaterialComponents.BottomNavigationView</item>
     <item name="buttonBarButtonStyle">@style/Widget.MaterialComponents.Button.TextButton.Dialog</item>
     <item name="chipStyle">@style/Widget.MaterialComponents.Chip.Action</item>