diff --git a/README.md b/README.md
index 8ecc67b..690273d 100644
--- a/README.md
+++ b/README.md
@@ -52,6 +52,7 @@ RUN install-php-extensions gd xdebug
 |:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|
 | amqp | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | apcu | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
+| apcu_bc |  |  | ✓ | ✓ | ✓ | ✓ | ✓ |
 | bcmath | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | bz2 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | calendar | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
@@ -130,7 +131,7 @@ RUN install-php-extensions gd xdebug
 | yaml | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | zip | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 
-*Number of supported extensions: 79*
+*Number of supported extensions: 80*
 <!-- END OF EXTENSIONS TABLE -->
 
 PS: the pre-installed PHP extensions are excluded from this list.