Update README.md

Author: XWB

README.md

@@ -35,7 +35,7 @@ The following table shows the compatibilities of different versions of the bundl
 
 | FOSElasticaBundle                                                                       | Elastica | Elasticsearch | Symfony    | PHP   |
 | --------------------------------------------------------------------------------------- | ---------| ------------- | ---------- | ----- |
-| [6.4] (master)                                                                          | ^7.1     | 7.\*          | ^5.4\|^6.4\|^7.0 | ^7.4\|^8.0 |
+| [6.4] (master)                                                                          | ^7.1     | 7.\*          | ^5.4\|^6.4\|^7.0 | ^7.4\|^8.1 |
 | [5.1] (unmaintained)                                                                    | ^5.3\|^6 | 5.\*\|6.\*    | ^3.4\|^4   | >=7.1 |
 | [5.0] (unmaintained)                                                                    | ^5.2\|^6 | 5.\*\|6.\*    | ^3.2\|^4   | >=5.6 |
 | [4.x] (unmaintained)                                                                    | 3.2.\*   | 2.\*          | ^2.8\|^3.2 | >=5.5 |