diff --git a/package.json b/package.json
index b2fb90e..11d37b5 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "rollup-plugin-yaml": "2.0.0",
     "sinon": "11.1.2",
     "sinon-chai": "3.7.0",
-    "source-map-support": "0.5.20",
+    "source-map-support": "0.5.21",
     "standard-version": "9.3.2",
     "typescript": "4.3.5"
   },
diff --git a/yarn.lock b/yarn.lock
index c8f7637..31bb9e6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3852,10 +3852,10 @@ slice-ansi@^4.0.0:
     astral-regex "^2.0.0"
     is-fullwidth-code-point "^3.0.0"
 
-source-map-support@0.5.20:
-  version "0.5.20"
-  resolved "https://artifacts.apextoaster.com/repository/group-npm/source-map-support/-/source-map-support-0.5.20.tgz#12166089f8f5e5e8c56926b377633392dd2cb6c9"
-  integrity sha512-n1lZZ8Ve4ksRqizaBQgxXDgKwttHDhyfQjA6YZZn8+AroHbsIz+JjwxQDxbp+7y5OYCI8t1Yk7etjD9CRd2hIw==
+source-map-support@0.5.21:
+  version "0.5.21"
+  resolved "https://artifacts.apextoaster.com/repository/group-npm/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"