diff --git a/Aliases/ignition-common5 b/Aliases/ignition-common5
deleted file mode 120000
index ffa663a75..000000000
--- a/Aliases/ignition-common5
+++ /dev/null
@@ -1 +0,0 @@
-../Formula/ignition-common4.rb
\ No newline at end of file
diff --git a/Formula/ignition-common5.rb b/Formula/ignition-common5.rb
new file mode 100644
index 000000000..39ca27a21
--- /dev/null
+++ b/Formula/ignition-common5.rb
@@ -0,0 +1,76 @@
+class IgnitionCommon5 < Formula
+  desc "Common libraries for robotics applications"
+  homepage "https://github.com/ignitionrobotics/ign-common"
+  url "https://github.com/ignitionrobotics/ign-common.git", branch: "main"
+  version "4.999.999~0~20211217"
+  license "Apache-2.0"
+
+  depends_on "cmake"
+  depends_on "ffmpeg"
+  depends_on "freeimage"
+  depends_on "gts"
+  depends_on "ignition-cmake2"
+  depends_on "ignition-math6"
+  depends_on "ignition-utils1"
+  depends_on macos: :high_sierra # c++17
+  depends_on "ossp-uuid"
+  depends_on "pkg-config"
+  depends_on "tinyxml2"
+
+  def install
+    cmake_args = std_cmake_args
+    cmake_args << "-DBUILD_TESTING=Off"
+    cmake_args << "-DCMAKE_INSTALL_RPATH=#{rpath}"
+    system "cmake", ".", *cmake_args
+    system "make", "install"
+  end
+
+  test do
+    (testpath/"test.cpp").write <<-EOS
+      #include <iostream>
+      #include <ignition/common.hh>
+      int main() {
+        igndbg << "debug" << std::endl;
+        ignwarn << "warn" << std::endl;
+        ignerr << "error" << std::endl;
+        // // this example code doesn't compile
+        // try {
+        //   ignthrow("An example exception that is caught.");
+        // }
+        // catch(const ignition::common::exception &_e) {
+        //   std::cerr << "Caught a runtime error " << _e.what() << std::endl;
+        // }
+        // ignassert(0 == 0);
+        return 0;
+      }
+    EOS
+    (testpath/"CMakeLists.txt").write <<-EOS
+      cmake_minimum_required(VERSION 3.5 FATAL_ERROR)
+      find_package(ignition-common5 QUIET REQUIRED)
+      add_executable(test_cmake test.cpp)
+      target_link_libraries(test_cmake ${IGNITION-COMMON_LIBRARIES})
+    EOS
+    system "pkg-config", "ignition-common5"
+    cflags = `pkg-config --cflags ignition-common5`.split
+    system ENV.cc, "test.cpp",
+                   *cflags,
+                   "-L#{lib}",
+                   "-lignition-common5",
+                   "-lc++",
+                   "-o", "test"
+    system "./test"
+    # test building with cmake
+    mkdir "build" do
+      ENV.append "LIBRARY_PATH", Formula["gettext"].opt_lib
+      system "cmake", ".."
+      system "make"
+      system "./test_cmake"
+    end
+    # check for Xcode frameworks in bottle
+    # ! requires system with single argument, which uses standard shell
+    # put in variable to avoid audit complaint
+    # enclose / in [] so the following line won't match itself
+    cmd_not_grep_xcode = "! grep -rnI 'Applications[/]Xcode' #{prefix}"
+    system cmd_not_grep_xcode
+  end
+end