diff --git a/README.md b/README.md
index 5748bed..612ad2c 100644
--- a/README.md
+++ b/README.md
@@ -264,6 +264,7 @@ install-php-extensions @fix_letsencrypt
| redis | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| seaslog | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| shmop | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
+| simdjson[*](#special-requirements-for-simdjson) | | | | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| smbclient | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| snappy | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| snmp | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
@@ -305,7 +306,7 @@ install-php-extensions @fix_letsencrypt
| zookeeper | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
| zstd | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
-*Number of supported extensions: 127*
+*Number of supported extensions: 128*
PS: the pre-installed PHP extensions are excluded from this list.
@@ -396,6 +397,7 @@ Some extensions have special requirements:
| parle | Not available in `jessie` docker images |
| pdo_sqlsrv | • Not available in `alpine3.7` docker images
• Not available in `alpine3.8` docker images
• Not available in ARM architectures |
| pthreads | Requires images with PHP compiled with thread-safety enabled (`zts`) |
+| simdjson | • Not available in `alpine3.7` docker images
• Not available in `alpine3.8` docker images
• Not available in `jessie` docker images
• Not available in `stretch` docker images |
| sodium | Not available in `jessie` docker images |
| sqlsrv | • Not available in `alpine3.7` docker images
• Not available in `alpine3.8` docker images
• Not available in `7.1-alpine3.9` docker images
• Not available in `7.1-alpine3.10` docker images
• Not available in ARM architectures |
| tensor | • Not available in `alpine3.15` docker images
• Not available in `alpine3.16` docker images |