diff --git a/Formula/msodbcsql18.rb b/Formula/msodbcsql18.rb
index 7465bbf..0fc9936 100755
--- a/Formula/msodbcsql18.rb
+++ b/Formula/msodbcsql18.rb
@@ -1,11 +1,11 @@
 class Msodbcsql18 < Formula
   desc "ODBC Driver for Microsoft(R) SQL Server(R)"
   homepage "https://msdn.microsoft.com/en-us/library/mt654048(v=sql.1).aspx"
-  url Hardware::CPU.arch == :arm64 ? "https://download.microsoft.com/download/6/4/0/64006503-51e3-44f0-a6cd-a9b757d0d61b/msodbcsql18-18.1.1.1-arm64.tar.gz" :
-                                     "https://download.microsoft.com/download/6/4/0/64006503-51e3-44f0-a6cd-a9b757d0d61b/msodbcsql18-18.1.1.1-amd64.tar.gz"
-  version "18.1.1.1"
-  sha256 Hardware::CPU.arch == :arm64 ? "bd48fb1d1985c0ef9d372714ce98474863ee92f4d5602b1159255f2532a2dd84" :
-                                        "cd482a9e15f56f436c9af62a52bea5f45641e465a9b26e3f7530fa60fd02c8ba"
+  url Hardware::CPU.arch == :arm64 ? "https://download.microsoft.com/download/6/4/0/64006503-51e3-44f0-a6cd-a9b757d0d61b/msodbcsql18-18.1.2.1-arm64.tar.gz" :
+                                     "https://download.microsoft.com/download/6/4/0/64006503-51e3-44f0-a6cd-a9b757d0d61b/msodbcsql18-18.1.2.1-amd64.tar.gz"
+  version "18.1.2.1"
+  sha256 Hardware::CPU.arch == :arm64 ? "97cfc9cb3e1922669acd8ade20471ce57eaa0e81edd98bf21afad2cd70edcd5d" :
+                                        "b81f3cf5abd4c339ea56e36564e1e40d02c13fbf62aa7091ba4f321d47aea910"
 
   option "without-registration", "Don't register the driver in odbcinst.ini"
 
diff --git a/Formula/msodbcsql18@18.1.2.1.rb b/Formula/msodbcsql18@18.1.2.1.rb
new file mode 100755
index 0000000..9a7ef92
--- /dev/null
+++ b/Formula/msodbcsql18@18.1.2.1.rb
@@ -0,0 +1,79 @@
+class Msodbcsql18AT18121 < Formula
+  desc "ODBC Driver for Microsoft(R) SQL Server(R)"
+  homepage "https://msdn.microsoft.com/en-us/library/mt654048(v=sql.1).aspx"
+  url Hardware::CPU.arch == :arm64 ? "https://download.microsoft.com/download/6/4/0/64006503-51e3-44f0-a6cd-a9b757d0d61b/msodbcsql18-18.1.2.1-arm64.tar.gz" :
+                                     "https://download.microsoft.com/download/6/4/0/64006503-51e3-44f0-a6cd-a9b757d0d61b/msodbcsql18-18.1.2.1-amd64.tar.gz"
+  version "18.1.2.1"
+  sha256 Hardware::CPU.arch == :arm64 ? "97cfc9cb3e1922669acd8ade20471ce57eaa0e81edd98bf21afad2cd70edcd5d" :
+                                        "b81f3cf5abd4c339ea56e36564e1e40d02c13fbf62aa7091ba4f321d47aea910"
+
+  option "without-registration", "Don't register the driver in odbcinst.ini"
+
+  keg_only :versioned_formula
+  depends_on "unixodbc"
+  depends_on "openssl"
+
+  def check_eula_acceptance?
+    if ENV["HOMEBREW_ACCEPT_EULA"] != "y" && ENV["HOMEBREW_ACCEPT_EULA"] != "Y"
+      puts "The license terms for this product can be downloaded from"
+      puts "https://aka.ms/odbc18eula and found in"
+      puts "#{prefix}/share/doc/msodbcsql18/LICENSE.txt . By entering 'YES',"
+      puts "you indicate that you accept the license terms."
+      puts ""
+      loop do
+        puts "Do you accept the license terms? (Enter YES or NO)"
+        accept_eula = STDIN.gets.chomp
+        if accept_eula
+          if accept_eula.casecmp("YES").zero?
+            break
+          elsif accept_eula.casecmp("NO").zero?
+            puts "Installation terminated: License terms not accepted."
+            return false
+          else
+            puts "Please enter YES or NO"
+          end
+        else
+          puts "Installation terminated: Could not prompt for license acceptance."
+          puts "If you are performing an unattended installation, you may set"
+          puts "HOMEBREW_ACCEPT_EULA to Y to indicate your acceptance of the license terms."
+          return false
+        end
+      end
+    end
+    true
+  end
+
+  def install
+    return false unless check_eula_acceptance?
+
+    chmod 0444, "lib/libmsodbcsql.18.dylib"
+    chmod 0444, "share/msodbcsql18/resources/en_US/msodbcsqlr18.rll"
+    chmod 0644, "include/msodbcsql18/msodbcsql.h"
+    chmod 0644, "odbcinst.ini"
+    chmod 0644, "share/doc/msodbcsql18/LICENSE.txt"
+    chmod 0644, "share/doc/msodbcsql18/RELEASE_NOTES"
+
+    cp_r ".", prefix.to_s
+
+    if build.with? "registration"
+      system "odbcinst", "-u", "-d", "-n", "\"ODBC Driver 18 for SQL Server\""
+      system "odbcinst", "-i", "-d", "-f", "./odbcinst.ini"
+    end
+  end
+
+  def caveats; <<~EOS
+    If you installed this formula with the registration option (default), you'll
+    need to manually remove [ODBC Driver 18 for SQL Server] section from
+    odbcinst.ini after the formula is uninstalled. This can be done by executing
+    the following command:
+        odbcinst -u -d -n "ODBC Driver 18 for SQL Server"
+    EOS
+  end
+
+  test do
+    if build.with? "registration"
+      out = shell_output("#{Formula["unixodbc"].opt_bin}/odbcinst -q -d")
+      assert_match "ODBC Driver 18 for SQL Server", out
+    end
+  end
+end