diff --git a/CHANGELOG.md b/CHANGELOG.md
index a258020..e3cad46 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -68,6 +68,10 @@ The format is based on
 
 ### Deprecated
 
+- Deprecate NTFSSecurity as a whole: the project will be archived soon.
+  Move to
+  [WindowsAccessControl](https://github.com/raandree/WindowsAccessControl),
+  which is also on the PowerShell Gallery
 - Deprecate the `-PassThur` alias of `Remove-Item2`; use `-PassThru`
 - Deprecate the `MACTripleDES` value of `Get-FileHash2 -Algorithm`: it uses
   a random key, so its result differs on every call; the cmdlet now warns
diff --git a/Docs/README.md b/Docs/README.md
index c2823ea..1229b4c 100644
--- a/Docs/README.md
+++ b/Docs/README.md
@@ -1,5 +1,10 @@
 # NTFSSecurity
 
+> **NTFSSecurity will be archived soon.** Please move to
+> [WindowsAccessControl](https://github.com/raandree/WindowsAccessControl),
+> which is also on the PowerShell Gallery:
+> `Install-Module -Name WindowsAccessControl`.
+
 NTFSSecurity is a PowerShell module for managing the permissions, audit
 settings, inheritance, and ownership of files and folders on NTFS volumes.
 
diff --git a/README.md b/README.md
index 7173284..816669a 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,11 @@
 # NTFSSecurity
 
+> [!IMPORTANT]
+> NTFSSecurity will be archived soon. Please move to
+> [WindowsAccessControl](https://github.com/raandree/WindowsAccessControl),
+> which is also on the PowerShell Gallery:
+> `Install-Module -Name WindowsAccessControl`.
+
 A PowerShell module for managing the permissions, audit settings,
 inheritance, and ownership of files and folders on NTFS volumes.