diff --git a/Casks/a/aleph-one.rb b/Casks/a/aleph-one.rb
index 735515dc98..c93164afe5 100644
--- a/Casks/a/aleph-one.rb
+++ b/Casks/a/aleph-one.rb
@@ -13,5 +13,7 @@ cask "aleph-one" do
     regex(%r{href=.*?/AlephOne[._-]v?(\d+(?:\.\d+)*)[._-]Mac\.dmg}i)
   end
 
+  depends_on macos: ">= :high_sierra"
+
   app "Aleph One.app"
 end
diff --git a/Casks/a/alex313031-thorium.rb b/Casks/a/alex313031-thorium.rb
index 6301ed9ee3..0f87d23abc 100644
--- a/Casks/a/alex313031-thorium.rb
+++ b/Casks/a/alex313031-thorium.rb
@@ -17,6 +17,7 @@ cask "alex313031-thorium" do
   end
 
   conflicts_with cask: "thorium"
+  depends_on macos: ">= :high_sierra"
 
   app "Thorium.app"
 
diff --git a/Casks/a/aliwangwang.rb b/Casks/a/aliwangwang.rb
index b18638f0cb..ad643ce174 100644
--- a/Casks/a/aliwangwang.rb
+++ b/Casks/a/aliwangwang.rb
@@ -14,6 +14,7 @@ cask "aliwangwang" do
   end
 
   auto_updates true
+  depends_on macos: ">= :high_sierra"
 
   app "AliWangwang.app"
 
diff --git a/Casks/a/altdeploy.rb b/Casks/a/altdeploy.rb
index 605c3d0b86..3ab30be672 100644
--- a/Casks/a/altdeploy.rb
+++ b/Casks/a/altdeploy.rb
@@ -6,6 +6,8 @@ cask "altdeploy" do
   name "AltDeploy"
   homepage "https://github.com/pixelomer/AltDeploy"
 
+  depends_on macos: ">= :high_sierra"
+
   app "AltDeploy.app"
 
   caveats do
diff --git a/Casks/a/amd-power-gadget.rb b/Casks/a/amd-power-gadget.rb
index 651c3cccf8..dfdd9ab14a 100644
--- a/Casks/a/amd-power-gadget.rb
+++ b/Casks/a/amd-power-gadget.rb
@@ -7,5 +7,7 @@ cask "amd-power-gadget" do
   desc "Power management, monitoring and VirtualSMC plugin for AMD processors"
   homepage "https://github.com/trulyspinach/SMCAMDProcessor"
 
+  depends_on macos: ">= :high_sierra"
+
   app "AMD Power Gadget.app"
 end
diff --git a/Casks/a/amethyst.rb b/Casks/a/amethyst.rb
index d97dad87a5..45e702f89e 100644
--- a/Casks/a/amethyst.rb
+++ b/Casks/a/amethyst.rb
@@ -27,6 +27,7 @@ cask "amethyst" do
   homepage "https://ianyh.com/amethyst/"
 
   auto_updates true
+  depends_on macos: ">= :catalina"
 
   app "Amethyst.app"
 
diff --git a/Casks/a/ankerwork.rb b/Casks/a/ankerwork.rb
index 341a1d7bc4..c3f41c74d1 100644
--- a/Casks/a/ankerwork.rb
+++ b/Casks/a/ankerwork.rb
@@ -13,6 +13,8 @@ cask "ankerwork" do
     strategy :extract_plist
   end
 
+  depends_on macos: ">= :mojave"
+
   app "AnkerWork.app"
 
   zap trash: "~/Library/Application Support/AnkerWork"
diff --git a/Casks/a/ankiapp-anki.rb b/Casks/a/ankiapp-anki.rb
index 655421dbbf..bfa718001b 100644
--- a/Casks/a/ankiapp-anki.rb
+++ b/Casks/a/ankiapp-anki.rb
@@ -12,6 +12,8 @@ cask "ankiapp-anki" do
     strategy :extract_plist
   end
 
+  depends_on macos: ">= :high_sierra"
+
   app "AnkiApp.app"
 
   zap trash: [
diff --git a/Casks/a/anydesk.rb b/Casks/a/anydesk.rb
index ea66112164..d5b23d40ae 100644
--- a/Casks/a/anydesk.rb
+++ b/Casks/a/anydesk.rb
@@ -12,6 +12,8 @@ cask "anydesk" do
     regex(/>v(\d+(?:\.\d+)+)[\s<]/i)
   end
 
+  depends_on macos: ">= :high_sierra"
+
   app "AnyDesk.app"
 
   uninstall quit:   [