diff --git a/INSTALL.md b/INSTALL.md
index 2d11a2e9..92dab763 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -26,7 +26,7 @@ minimum requirements are indicated in bold. For a detailed list of changes, see
9.0.x |
- 7.4 - 8.0+ |
+ 7.4 - 8.1+ |
1.35 - 1.38+ |
3.2 - 4.0 |
Stable release |
diff --git a/RELEASE-NOTES.md b/RELEASE-NOTES.md
index db6b4304..ea2c21ab 100644
--- a/RELEASE-NOTES.md
+++ b/RELEASE-NOTES.md
@@ -5,7 +5,9 @@ different releases and which versions of PHP and MediaWiki they support, see the
## Maps 9.0.5
-*
+Released on February 9th, 2022.
+
+* Fixed PHP 8.1+ compatibility issue
## Maps 9.0.4