diff --git a/build-module/lock-unlock.js b/build-module/lock-unlock.js
index 2265f933ceec19f65ca6776c24c3f88b368d713f..e9e10980bfd1b584ab0a037c3b72edae29a2a26e 100644
--- a/build-module/lock-unlock.js
+++ b/build-module/lock-unlock.js
@@ -1,9 +1,34 @@
 /**
- * WordPress dependencies
+ * External dependencies
  */
 import { __dangerousOptInToUnstableAPIsOnlyForCoreModules } from '@wordpress/private-apis';
-export const {
-  lock,
-  unlock
-} = __dangerousOptInToUnstableAPIsOnlyForCoreModules('I know using unstable features means my plugin or theme will inevitably break on the next WordPress release.', '@wordpress/edit-site');
+
+// Workaround for Gutenberg private API consent string differences between WP 6.3 and 6.4+
+// The modified version checks for the WP version and replaces the consent string with the correct one.
+// This can be removed once we drop support for WP 6.3 in the "Customize Your Store" task.
+// See this PR for details: https://github.com/woocommerce/woocommerce/pull/40884
+
+const wordPressConsentString = {
+	6.4: 'I know using unstable features means my plugin or theme will inevitably break on the next WordPress release.',
+	6.5: 'I know using unstable features means my theme or plugin will inevitably break in the next version of WordPress.',
+	6.6: 'I acknowledge private features are not for use in themes or plugins and doing so will break in the next version of WordPress.',
+};
+
+function optInToUnstableAPIs() {
+	let error;
+	for ( const optInString of Object.values( wordPressConsentString ) ) {
+		try {
+			return __dangerousOptInToUnstableAPIsOnlyForCoreModules(
+				optInString,
+				'@wordpress/edit-site'
+			);
+		} catch ( anError ) {
+			error = anError;
+		}
+	}
+
+	throw error;
+}
+
+export const { lock, unlock } = optInToUnstableAPIs();
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