diff --git a/README.md b/README.md
index f2ca819..cfb919d 100644
--- a/README.md
+++ b/README.md
@@ -291,6 +291,7 @@ install-php-extensions @fix_letsencrypt
 | propro |  |  |  |  |  | &check; | &check; | &check; | &check; | &check; | &check; | &check; |
 | protobuf | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; |
 | pspell | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; |
+| psr | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; |
 | pthreads[*](#special-requirements-for-pthreads) |  |  |  |  |  |  |  |  |  | &check; | &check; | &check; |
 | raphf | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; |
 | rdkafka | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; |
@@ -350,7 +351,7 @@ install-php-extensions @fix_letsencrypt
 | zookeeper |  |  | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; |
 | zstd | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; | &check; |
 
-*Number of supported extensions: 148*
+*Number of supported extensions: 149*
 <!-- END OF EXTENSIONS TABLE -->
 
 PS: the pre-installed PHP extensions are excluded from this list.