diff --git a/README.md b/README.md
index b9bd79d..1e05aad 100644
--- a/README.md
+++ b/README.md
@@ -160,6 +160,7 @@ install-php-extensions @fix_letsencrypt
 | gd | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | gearman | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |  |
 | geoip | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |  |  |
+| geos[*](#special-requirements-for-geos) | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |  |  |
 | geospatial | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | gettext | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | gmagick | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
@@ -257,7 +258,7 @@ install-php-extensions @fix_letsencrypt
 | zookeeper | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | zstd | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 
-*Number of supported extensions: 118*
+*Number of supported extensions: 119*
 <!-- END OF EXTENSIONS TABLE -->
 
 PS: the pre-installed PHP extensions are excluded from this list.
@@ -337,6 +338,7 @@ Some extensions have special requirements:
 <!-- ########################################################### -->
 | Extension | Requirements |
 |---|---|
+| <a name="special-requirements-for-geos"></a>geos | &bull; Not available in `alpine3.7` docker images<br />&bull; Not available in `alpine3.8` docker images<br />&bull; Not available in `alpine3.9` docker images<br />&bull; Not available in `alpine3.10` docker images |
 | <a name="special-requirements-for-memprof"></a>memprof | Not available in `alpine` docker images |
 | <a name="special-requirements-for-parallel"></a>parallel | Requires images with PHP compiled with thread-safety enabled (`zts`). |
 | <a name="special-requirements-for-pdo_sqlsrv"></a>pdo_sqlsrv | &bull; Not available in `alpine3.7` docker images<br />&bull; Not available in `alpine3.8` docker images |