diff --git a/packages/components/CHANGELOG.md b/packages/components/CHANGELOG.md
index 83b59bf45074b..a8272a3a89d24 100644
--- a/packages/components/CHANGELOG.md
+++ b/packages/components/CHANGELOG.md
@@ -29,6 +29,7 @@
 -   `CustomSelectControlV2`: allow wrapping item hint to new line ([#62848](https://github.com/WordPress/gutenberg/pull/62848)).
 -   `CustomSelectControlV2`: fix select popover content overflow. ([#62844](https://github.com/WordPress/gutenberg/pull/62844))
 -   `CustomSelectControlV2`: keep legacy arrow down behavior only for legacy wrapper. ([#62919](https://github.com/WordPress/gutenberg/pull/62919))
+-   `CustomSelectControlV2`: fix trigger button font size. ([#63131](https://github.com/WordPress/gutenberg/pull/63131))
 -   Extract `TimeInput` component from `TimePicker` ([#60613](https://github.com/WordPress/gutenberg/pull/60613)).
 -   `TimeInput`: Add `label` prop ([#63106](https://github.com/WordPress/gutenberg/pull/63106)).
 
diff --git a/packages/components/src/custom-select-control-v2/styles.ts b/packages/components/src/custom-select-control-v2/styles.ts
index e4d6140fbf6d7..273f581ae3847 100644
--- a/packages/components/src/custom-select-control-v2/styles.ts
+++ b/packages/components/src/custom-select-control-v2/styles.ts
@@ -10,6 +10,7 @@ import styled from '@emotion/styled';
 import { COLORS, CONFIG } from '../utils';
 import { space } from '../utils/space';
 import { chevronIconSize } from '../select-control/styles/select-control-styles';
+import { fontSizeStyles } from '../input-control/styles/input-control-styles';
 import type { CustomSelectButtonSize } from './types';
 
 const INLINE_PADDING = {
@@ -91,7 +92,6 @@ export const Select = styled( Ariakit.Select, {
 		color: ${ COLORS.theme.foreground };
 		cursor: pointer;
 		font-family: inherit;
-		font-size: ${ CONFIG.fontSize };
 		text-align: start;
 		user-select: none;
 		width: 100%;
@@ -102,6 +102,7 @@ export const Select = styled( Ariakit.Select, {
 
 		${ getSelectSize( size, hasCustomRenderProp ? 'minHeight' : 'height' ) }
 		${ ! hasCustomRenderProp && truncateStyles }
+		${ fontSizeStyles( { inputSize: size } ) }
 	`
 );