diff --git a/Casks/c/chrysalis.rb b/Casks/c/chrysalis.rb
index 2953d894c3..50800102de 100644
--- a/Casks/c/chrysalis.rb
+++ b/Casks/c/chrysalis.rb
@@ -16,6 +16,8 @@ cask "chrysalis" do
     strategy :github_latest
   end
 
+  depends_on macos: ">= :high_sierra"
+
   app "Chrysalis.app"
 
   zap trash: [
diff --git a/Casks/c/cisdem-pdf-converter-ocr.rb b/Casks/c/cisdem-pdf-converter-ocr.rb
index f188a0c334..5a8ad0c1cc 100644
--- a/Casks/c/cisdem-pdf-converter-ocr.rb
+++ b/Casks/c/cisdem-pdf-converter-ocr.rb
@@ -12,6 +12,8 @@ cask "cisdem-pdf-converter-ocr" do
     regex(/(\d+(?:\.\d+)*)\s+\(\d+(?:-\d+)+\)/i)
   end
 
+  depends_on macos: ">= :high_sierra"
+
   app "Cisdem PDF Converter OCR.app"
 
   zap trash: [
diff --git a/Casks/c/clash-for-windows.rb b/Casks/c/clash-for-windows.rb
index 44abcda277..4e7420361c 100644
--- a/Casks/c/clash-for-windows.rb
+++ b/Casks/c/clash-for-windows.rb
@@ -16,6 +16,7 @@ cask "clash-for-windows" do
   end
 
   auto_updates true
+  depends_on macos: ">= :high_sierra"
 
   app "Clash for Windows.app"
 
diff --git a/Casks/c/clay.rb b/Casks/c/clay.rb
index 61ba016ff8..c41478cd9c 100644
--- a/Casks/c/clay.rb
+++ b/Casks/c/clay.rb
@@ -13,6 +13,7 @@ cask "clay" do
   end
 
   auto_updates true
+  depends_on macos: ">= :high_sierra"
 
   app "Clay.app"
 
diff --git a/Casks/c/clickup.rb b/Casks/c/clickup.rb
index 509c86c2fe..098e843cc7 100644
--- a/Casks/c/clickup.rb
+++ b/Casks/c/clickup.rb
@@ -16,6 +16,8 @@ cask "clickup" do
     strategy :electron_builder
   end
 
+  depends_on macos: ">= :high_sierra"
+
   app "ClickUp.app"
 
   zap trash: [
diff --git a/Casks/c/clock-bar.rb b/Casks/c/clock-bar.rb
index 48bc3feaa8..39f817c261 100644
--- a/Casks/c/clock-bar.rb
+++ b/Casks/c/clock-bar.rb
@@ -17,5 +17,7 @@ cask "clock-bar" do
     end
   end
 
+  depends_on macos: ">= :sierra"
+
   app "Clock Bar.app"
 end
diff --git a/Casks/c/clock-signal.rb b/Casks/c/clock-signal.rb
index 92a6abc114..c91b62aa89 100644
--- a/Casks/c/clock-signal.rb
+++ b/Casks/c/clock-signal.rb
@@ -8,6 +8,8 @@ cask "clock-signal" do
   desc "Latency-hating emulator of 8- and 16-bit platforms"
   homepage "https://github.com/TomHarte/CLK"
 
+  depends_on macos: ">= :high_sierra"
+
   app "Clock Signal.app"
 
   uninstall quit: "TH.Clock-Signal"
diff --git a/Casks/c/clocker.rb b/Casks/c/clocker.rb
index 1940ba9768..5a13c68786 100644
--- a/Casks/c/clocker.rb
+++ b/Casks/c/clocker.rb
@@ -8,6 +8,8 @@ cask "clocker" do
   desc "Menu bar timezone tracker and compact calendar"
   homepage "https://abhishekbanthia.com/clocker"
 
+  depends_on macos: ">= :high_sierra"
+
   app "Clocker.app"
 
   uninstall launchctl: "com.abhishek.ClockerHelper",
diff --git a/Casks/c/cloudash.rb b/Casks/c/cloudash.rb
index f1efde6a98..adbf5e6a8b 100644
--- a/Casks/c/cloudash.rb
+++ b/Casks/c/cloudash.rb
@@ -8,6 +8,8 @@ cask "cloudash" do
   desc "Monitoring and troubleshooting for serverless architectures"
   homepage "https://cloudash.dev/"
 
+  depends_on macos: ">= :high_sierra"
+
   app "Cloudash.app"
 
   zap trash: [
diff --git a/Casks/c/cloudcompare.rb b/Casks/c/cloudcompare.rb
index 19013790f3..1444a6603a 100644
--- a/Casks/c/cloudcompare.rb
+++ b/Casks/c/cloudcompare.rb
@@ -18,5 +18,7 @@ cask "cloudcompare" do
     end
   end
 
+  depends_on macos: ">= :sierra"
+
   app "CloudCompare.app"
 end