diff --git a/.goreleaser.yml b/.goreleaser.yml
index db03d5c..ff6b185 100644
--- a/.goreleaser.yml
+++ b/.goreleaser.yml
@@ -35,3 +35,5 @@ brews:
     homepage: https://github.com/cirruslabs/tart
     description: Run macOS VMs on Apple Silicon
     skip_upload: auto
+    custom_block: |
+      depends_on :macos => :monterey
diff --git a/README.md b/README.md
index 00d16c6..f9233c5 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ Built by CI engineers for your automation needs. Here are some highlights of Tar
 * Use Tart Packer Plugin to automate VM creation.
 * Built-in CI integration.
 
-Try running a Tart VM on your Apple Silicon device (will download a 25 GB image):
+Try running a Tart VM on your Apple Silicon device running macOS Monterey or later (will download a 25 GB image):
 
 ```shell
 brew install cirruslabs/cli/tart