diff --git a/CHANGES b/CHANGES
index 0411023..514f4b6 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,5 +1,8 @@
 This file describes changes in the IO package.
 
+4.9.0 (2024-09-05)
+  - Require GAP >= 4.12 so that we can use `LoadKernelExtension`
+
 4.8.3 (2024-07-29)
   - Validates arguments to IO_gmtime and IO_localtime
 
diff --git a/PackageInfo.g b/PackageInfo.g
index 9509e88..492f0e5 100644
--- a/PackageInfo.g
+++ b/PackageInfo.g
@@ -7,8 +7,8 @@ SetPackageInfo( rec(
 
 PackageName := "IO",
 Subtitle := "Bindings for low level C library I/O routines",
-Version := "4.8.3",
-Date := "29/07/2024", # dd/mm/yyyy format
+Version := "4.9.0",
+Date := "05/09/2024", # dd/mm/yyyy format
 License := "GPL-3.0-or-later",
 
 ##  Information about authors and maintainers.