diff --git a/README.md b/README.md
index 16919e6..244eed3 100644
--- a/README.md
+++ b/README.md
@@ -254,6 +254,7 @@ install-php-extensions @fix_letsencrypt
 | opcache | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | opencensus |  |  | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | openswoole |  |  |  |  | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
+| opentelemetry |  |  |  |  |  |  |  | ✓ | ✓ | ✓ |
 | parallel[*](#special-requirements-for-parallel) |  |  |  | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | parle[*](#special-requirements-for-parle) |  |  | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | pcntl | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
@@ -321,7 +322,7 @@ install-php-extensions @fix_letsencrypt
 | zookeeper | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | zstd | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 
-*Number of supported extensions: 131*
+*Number of supported extensions: 132*
 <!-- END OF EXTENSIONS TABLE -->
 
 PS: the pre-installed PHP extensions are excluded from this list.