diff --git a/package.json b/package.json
index be5d023a0a054..6ba752216a4d7 100644
--- a/package.json
+++ b/package.json
@@ -140,7 +140,7 @@
     "selenium-webdriver": "3.5.0",
     "shelljs": "^0.8.4",
     "source-map": "^0.6.1",
-    "source-map-support": "0.5.19",
+    "source-map-support": "0.5.20",
     "sourcemap-codec": "^1.4.8",
     "systemjs": "0.18.10",
     "terser": "^4.4.0",
diff --git a/yarn.lock b/yarn.lock
index ac476b748bf83..08fd16feb1e62 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -12561,6 +12561,14 @@ source-map-support@0.5.19, source-map-support@^0.5.5, source-map-support@~0.5.12
     buffer-from "^1.0.0"
     source-map "^0.6.0"
 
+source-map-support@0.5.20:
+  version "0.5.20"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.20.tgz#12166089f8f5e5e8c56926b377633392dd2cb6c9"
+  integrity sha512-n1lZZ8Ve4ksRqizaBQgxXDgKwttHDhyfQjA6YZZn8+AroHbsIz+JjwxQDxbp+7y5OYCI8t1Yk7etjD9CRd2hIw==
+  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"