diff --git a/extensions/mssql/config.json b/extensions/mssql/config.json
index bc4a5b6fc9..83175785f9 100644
--- a/extensions/mssql/config.json
+++ b/extensions/mssql/config.json
@@ -1,6 +1,6 @@
 {
 	"downloadUrl": "https://github.com/Microsoft/sqltoolsservice/releases/download/v{#version#}/microsoft.sqltools.servicelayer-{#fileName#}",
-	"version": "3.0.0-release.42",
+	"version": "3.0.0-release.40",
 	"downloadFileNames": {
 		"Windows_86": "win-x86-netcoreapp3.1.zip",
 		"Windows_64": "win-x64-netcoreapp3.1.zip",