diff --git a/.changeset/serious-houses-watch.md b/.changeset/serious-houses-watch.md
index 08979a5012..d3f82850f0 100644
--- a/.changeset/serious-houses-watch.md
+++ b/.changeset/serious-houses-watch.md
@@ -1,5 +1,5 @@
 ---
-'@backstage/theme': minor
+'@backstage/theme': patch
 ---
 
 **DEPRECATED**: The `bursts` object from `BackstagePaletteAdditions` has been depreciated and will be removed in a future release
diff --git a/packages/theme/src/themes.ts b/packages/theme/src/themes.ts
index e5551f7796..b048c70fec 100644
--- a/packages/theme/src/themes.ts
+++ b/packages/theme/src/themes.ts
@@ -39,6 +39,10 @@ export const lightTheme = createTheme({
     },
     bursts: {
       fontColor: '#FEFEFE',
+      slackChannelText: '#ddd',
+      backgroundColor: {
+        default: '#7C3699',
+      },
       gradient: {
         linear: 'linear-gradient(-137deg, #4BB8A5 0%, #187656 100%)',
       },
@@ -112,6 +116,10 @@ export const darkTheme = createTheme({
     },
     bursts: {
       fontColor: '#FEFEFE',
+      slackChannelText: '#ddd',
+      backgroundColor: {
+        default: '#7C3699',
+      },
       gradient: {
         linear: 'linear-gradient(-137deg, #4BB8A5 0%, #187656 100%)',
       },
diff --git a/packages/theme/src/types.ts b/packages/theme/src/types.ts
index ed7e9fdd25..96b7c54f9b 100644
--- a/packages/theme/src/types.ts
+++ b/packages/theme/src/types.ts
@@ -68,6 +68,10 @@ export type BackstagePaletteAdditions = {
    */
   bursts: {
     fontColor: string;
+    slackChannelText: string;
+    backgroundColor: {
+      default: string;
+    };
     gradient: {
       linear: string;
     };