diff --git a/builtin/update-microsoft-git.c b/builtin/update-microsoft-git.c
index e2335aa594a4a9..3152ee23c30096 100644
--- a/builtin/update-microsoft-git.c
+++ b/builtin/update-microsoft-git.c
@@ -17,6 +17,38 @@ static int platform_specific_upgrade(void)
 	strvec_push(&cp.args, "git-update-git-for-windows");
 	return run_command(&cp);
 }
+#elif defined(__APPLE__)
+/*
+ * On macOS, we expect the user to have the microsoft-git
+ * cask installed via Homebrew. We check using these
+ * commands:
+ *
+ * 1. 'brew update' to get latest versions.
+ * 2. 'brew upgrade --cask microsoft-git' to get the
+ *    latest version.
+ */
+static int platform_specific_upgrade(void)
+{
+	int res;
+	struct child_process update = CHILD_PROCESS_INIT;
+	struct child_process upgrade = CHILD_PROCESS_INIT;
+
+	printf("Updating Homebrew with 'brew update'\n");
+
+	strvec_pushl(&update.args, "brew", "update", NULL);
+	res = run_command(&update);
+
+	if (res) {
+		error(_("'brew update' failed; is brew installed?"));
+		return 1;
+	}
+
+	printf("Upgrading microsoft-git with 'brew upgrade --cask microsoft-git'\n");
+	strvec_pushl(&upgrade.args, "brew", "upgrade", "--cask", "microsoft-git", NULL);
+	res = run_command(&upgrade);
+
+	return res;
+}
 #else
 static int platform_specific_upgrade(void)
 {