diff --git a/util/Setup/DockerComposeBuilder.cs b/util/Setup/DockerComposeBuilder.cs
index daef504a5b..d2d246f96b 100644
--- a/util/Setup/DockerComposeBuilder.cs
+++ b/util/Setup/DockerComposeBuilder.cs
@@ -21,7 +21,7 @@ namespace Bit.Setup
             // Lock Windows at mssql CU2 due to various problems with later mssql docker builds.
             if(os == "win")
             {
-                MssqlVersion = "1.16.0";
+                MssqlVersion = "1.18.0-CU2";
             }
         }