diff --git a/core/api.txt b/core/api.txt
index cbbf71f936..5e7da96028 100644
--- a/core/api.txt
+++ b/core/api.txt
@@ -312,7 +312,7 @@ ion-backdrop,event,ionBackdropTap,void,true
 ion-badge,shadow
 ion-badge,prop,color,"danger" | "dark" | "light" | "medium" | "primary" | "secondary" | "success" | "tertiary" | "warning" | string & Record<never, never> | undefined,undefined,false,true
 ion-badge,prop,mode,"ios" | "md",undefined,false,false
-ion-badge,prop,shape,"round" | "soft" | undefined,undefined,false,false
+ion-badge,prop,shape,"round | rectangular" | "soft" | undefined,undefined,false,false
 ion-badge,prop,size,"large" | "medium" | "small" | "xlarge" | "xsmall" | "xxsmall" | undefined,undefined,false,false
 ion-badge,prop,theme,"ios" | "md" | "ionic",undefined,false,false
 ion-badge,css-prop,--background,ionic
diff --git a/core/src/components.d.ts b/core/src/components.d.ts
index d6784edbbf..9282a9a8df 100644
--- a/core/src/components.d.ts
+++ b/core/src/components.d.ts
@@ -420,7 +420,7 @@ export namespace Components {
         /**
           * Set to `"rectangular"` for non-rounded corners. Set to `"soft"` for slightly rounded corners. Set to `"round"` for fully rounded corners.  Defaults to `"round"` for the `ionic` theme, undefined for all other themes.
          */
-        "shape"?: 'soft' | 'round';
+        "shape"?: 'soft' | 'round | rectangular';
         /**
           * Set to `"xxsmall"` for the smallest badge. Set to "xsmall" for a very small badge. Set to `"small"` for a small badge. Set to "medium" for a medium badge. Set to "large" for a large badge. Set to `"xlarge"` for the largest badge.  Defaults to `"small"` for the `ionic` theme, undefined for all other themes.
          */
@@ -5676,7 +5676,7 @@ declare namespace LocalJSX {
         /**
           * Set to `"rectangular"` for non-rounded corners. Set to `"soft"` for slightly rounded corners. Set to `"round"` for fully rounded corners.  Defaults to `"round"` for the `ionic` theme, undefined for all other themes.
          */
-        "shape"?: 'soft' | 'round';
+        "shape"?: 'soft' | 'round | rectangular';
         /**
           * Set to `"xxsmall"` for the smallest badge. Set to "xsmall" for a very small badge. Set to `"small"` for a small badge. Set to "medium" for a medium badge. Set to "large" for a large badge. Set to `"xlarge"` for the largest badge.  Defaults to `"small"` for the `ionic` theme, undefined for all other themes.
          */
diff --git a/core/src/components/badge/badge.tsx b/core/src/components/badge/badge.tsx
index 43c4c9846f..e15edca816 100644
--- a/core/src/components/badge/badge.tsx
+++ b/core/src/components/badge/badge.tsx
@@ -33,7 +33,7 @@ export class Badge implements ComponentInterface {
    *
    * Defaults to `"round"` for the `ionic` theme, undefined for all other themes.
    */
-  @Prop() shape?: 'soft' | 'round';
+  @Prop() shape?: 'soft' | 'round | rectangular';
 
   /**
    * Set to `"xxsmall"` for the smallest badge.