diff --git a/Casks/t/theiaide.rb b/Casks/t/theiaide.rb
new file mode 100644
index 0000000000..d76494e7c0
--- /dev/null
+++ b/Casks/t/theiaide.rb
@@ -0,0 +1,21 @@
+cask "theiaide" do
+  version "1.45.0"
+  sha256 "51f15dc877b70f619fba62e0ac971a0f1ffda62491e8b2ca908efade46dedd93"
+
+  url "https://download.eclipse.org/theia/ide/#{version}/macos/TheiaIDE.dmg",
+      verified: "download.eclipse.org/theia/ide/"
+  name "TheiaIDE"
+  desc "IDE framework"
+  homepage "https://theia-ide.org/"
+
+  livecheck do
+    url "https://download.eclipse.org/theia/ide/latest/macos/"
+    regex(/href=.*?TheiaIDE[._-]v?(\d+(?:\.\d+)+)(?:-mac)?\.zip/i)
+  end
+
+  depends_on macos: ">= :high_sierra"
+
+  app "TheiaIDE.app"
+
+  zap trash: "~/.theia-ide"
+end