diff --git a/docs/introduction/extensions.mdx b/docs/introduction/extensions.mdx
index 79725fc..860685c 100755
--- a/docs/introduction/extensions.mdx
+++ b/docs/introduction/extensions.mdx
@@ -35,6 +35,7 @@ gettext
 gmp
 hash
 iconv
+igbinary
 imagick
 imap
 intl