diff --git a/src/v0/destinations/mssql/transform.test.js b/src/v0/destinations/mssql/transform.test.js
index f43ea0819e..fe687993e1 100644
--- a/src/v0/destinations/mssql/transform.test.js
+++ b/src/v0/destinations/mssql/transform.test.js
@@ -1,7 +1,7 @@
 const { getDataType } = require('../../../../src/warehouse/index');
 const { getDataTypeOverride } = require('./transform');
 
-var testCases = [
+const testCases = [
   {
     name: 'normalInt',
     data: 1,
diff --git a/src/v0/destinations/postgres/transform.test.js b/src/v0/destinations/postgres/transform.test.js
index a64a65de37..ef7d4c9757 100644
--- a/src/v0/destinations/postgres/transform.test.js
+++ b/src/v0/destinations/postgres/transform.test.js
@@ -1,7 +1,7 @@
 const { getDataType } = require('../../../../src/warehouse/index');
 const { getDataTypeOverride } = require('./transform');
 
-var testCases = [
+const testCases = [
   {
     name: 'normalInt',
     data: 1,