diff --git a/extensions/mssql/package.json b/extensions/mssql/package.json
index 7c55aada4f..ae592f1a50 100644
--- a/extensions/mssql/package.json
+++ b/extensions/mssql/package.json
@@ -18,6 +18,7 @@
     "update-grammar": "node ../../build/npm/update-grammar.js Microsoft/vscode-mssql syntaxes/SQL.plist ./syntaxes/sql.tmLanguage.json"
   },
   "dependencies": {
+    "bytes": "^3.1.0",
     "clipboardy": "^1.2.3",
     "dataprotocol-client": "github:Microsoft/sqlops-dataprotocolclient#0.2.15",
     "opener": "^1.4.3",
@@ -28,8 +29,7 @@
     "vscode-nls": "2.0.2",
     "webhdfs": "^1.1.1"
   },
-  "devDependencies": {
-  },
+  "devDependencies": {},
   "contributes": {
     "languages": [
       {
diff --git a/extensions/mssql/yarn.lock b/extensions/mssql/yarn.lock
index 995c165927..17a95905ae 100644
--- a/extensions/mssql/yarn.lock
+++ b/extensions/mssql/yarn.lock
@@ -99,6 +99,11 @@ buffer@^3.0.1:
     ieee754 "^1.1.4"
     isarray "^1.0.0"
 
+bytes@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.1.0.tgz#f6cf7933a360e0588fa9fde85651cdc7f805d1f6"
+  integrity sha512-zauLjrfCG+xvoyaqLoV8bLVXXNGC4JqlxFCutSDWA6fJrTo2ZuvLYTqZ7aHBLZSMOopbzwv8f+wZcVzfVTI2Dg==
+
 caseless@~0.12.0:
   version "0.12.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"