diff --git a/package.json b/package.json
index 55e9dcb60a5..86cd0b0ffde 100644
--- a/package.json
+++ b/package.json
@@ -147,7 +147,7 @@
     "selenium-webdriver": "3.5.0",
     "shelljs": "^0.8.4",
     "source-map": "^0.6.1",
-    "source-map-support": "0.5.20",
+    "source-map-support": "0.5.21",
     "sourcemap-codec": "^1.4.8",
     "systemjs": "0.18.10",
     "terser": "^5.8.0",
diff --git a/yarn.lock b/yarn.lock
index a164cd006d0..4266e88759a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -13073,6 +13073,14 @@ source-map-support@0.5.20, source-map-support@^0.5.5, source-map-support@~0.5.20
     buffer-from "^1.0.0"
     source-map "^0.6.0"
 
+source-map-support@0.5.21:
+  version "0.5.21"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.21.tgz#04fe7c7f9e1ed2d662233c28cb2b35b9f63f6e4f"
+  integrity sha512-uBHU3L3czsIyYXKX88fdrGovxdSCoTGDRZ6SYXtSRxLZUzHg5P/66Ht6uoUlHu9EZod+inXhKo3qQgwXUT/y1w==
+  dependencies:
+    buffer-from "^1.0.0"
+    source-map "^0.6.0"
+
 source-map-support@0.5.9:
   version "0.5.9"
   resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.9.tgz#41bc953b2534267ea2d605bccfa7bfa3111ced5f"