diff --git a/py_type_extractor/plugins/typescript/package.json b/py_type_extractor/plugins/typescript/package.json
index 182c3ac..52dae8b 100644
--- a/py_type_extractor/plugins/typescript/package.json
+++ b/py_type_extractor/plugins/typescript/package.json
@@ -23,7 +23,7 @@
   },
   "dependencies": {
     "@types/mz": "^2.7.1",
-    "lodash": "^4.17.19",
+    "lodash": "^4.17.21",
     "mz": "^2.7.0"
   }
 }
diff --git a/py_type_extractor/plugins/typescript/yarn.lock b/py_type_extractor/plugins/typescript/yarn.lock
index 75dfbb7..699e4d5 100644
--- a/py_type_extractor/plugins/typescript/yarn.lock
+++ b/py_type_extractor/plugins/typescript/yarn.lock
@@ -2513,15 +2513,10 @@ lodash.sortby@^4.7.0:
   resolved "https://registry.yarnpkg.com/lodash.sortby/-/lodash.sortby-4.7.0.tgz#edd14c824e2cc9c1e0b0a1b42bb5210516a42438"
   integrity sha1-7dFMgk4sycHgsKG0K7UhBRakJDg=
 
-lodash@^4.17.13:
-  version "4.17.15"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
-  integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
-
-lodash@^4.17.19:
-  version "4.17.19"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.19.tgz#e48ddedbe30b3321783c5b4301fbd353bc1e4a4b"
-  integrity sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==
+lodash@^4.17.13, lodash@^4.17.19, lodash@^4.17.21:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 make-dir@^3.0.0:
   version "3.0.2"