diff --git a/src/schemas/json/jsconfig.json b/src/schemas/json/jsconfig.json
index d3095d3f115..3a0daa61c65 100644
--- a/src/schemas/json/jsconfig.json
+++ b/src/schemas/json/jsconfig.json
@@ -786,6 +786,7 @@
                       "ES2018.Regexp",
                       "ES2019",
                       "ES2019.Array",
+                      "ES2019.Intl",
                       "ES2019.Object",
                       "ES2019.String",
                       "ES2019.Symbol",
diff --git a/src/schemas/json/tsconfig.json b/src/schemas/json/tsconfig.json
index d577cdb65f9..c203da2409f 100644
--- a/src/schemas/json/tsconfig.json
+++ b/src/schemas/json/tsconfig.json
@@ -789,6 +789,7 @@
                       "ES2018.Regexp",
                       "ES2019",
                       "ES2019.Array",
+                      "ES2019.Intl",
                       "ES2019.Object",
                       "ES2019.String",
                       "ES2019.Symbol",