diff --git a/Formula/catwalk.rb b/Formula/catwalk.rb
index 191317d..5d282ca 100644
--- a/Formula/catwalk.rb
+++ b/Formula/catwalk.rb
@@ -23,4 +23,9 @@ def install
   test do
     assert_predicate (bin/"catwalk"), :exist?
   end
+
+  livecheck do
+    url :stable
+    regex /^catwalk[._-]v?(\d+(?:\.\d+)+)$/i
+  end
 end
diff --git a/Formula/whiskers.rb b/Formula/whiskers.rb
index 35ce1fb..5257e06 100644
--- a/Formula/whiskers.rb
+++ b/Formula/whiskers.rb
@@ -21,4 +21,9 @@ def install
   test do
     assert_predicate (bin/"whiskers"), :exist?
   end
+
+  livecheck do
+    url :stable
+    regex /^whiskers[._-]v?(\d+(?:\.\d+)+)$/i
+  end
 end