diff --git a/README.md b/README.md
index a8531f0..1a4a35b 100644
--- a/README.md
+++ b/README.md
@@ -75,6 +75,7 @@ install-php-extensions xdebug-2.9.7
 | gettext | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | gmagick | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |  |
 | gmp | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
+| gnupg | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |  |
 | grpc | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | http | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |  |
 | igbinary | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
@@ -145,7 +146,7 @@ install-php-extensions xdebug-2.9.7
 | zip | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | zookeeper | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |  |
 
-*Number of supported extensions: 86*
+*Number of supported extensions: 87*
 <!-- END OF EXTENSIONS TABLE -->
 
 PS: the pre-installed PHP extensions are excluded from this list.