diff --git a/package.json b/package.json
index a88680b..bf6bb1e 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
   },
   "license": "MIT",
   "dependencies": {
-    "js-yaml": "^3.13.1"
+    "js-yaml": "^4.1.1"
   },
   "peerDependencies": {},
   "engines": {
diff --git a/yarn.lock b/yarn.lock
index 8933898..febe727 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6,26 +6,15 @@
   version "13.11.1"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-13.11.1.tgz#49a2a83df9d26daacead30d0ccc8762b128d53c7"
 
-argparse@^1.0.7:
-  version "1.0.10"
-  resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.10.tgz#bcd6791ea5ae09725e17e5ad988134cd40b3d911"
-  dependencies:
-    sprintf-js "~1.0.2"
-
-esprima@^4.0.0:
-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.1.tgz#13b04cdb3e6c5d19df91ab6987a8695619b0aa71"
+argparse@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/argparse/-/argparse-2.0.1.tgz#246f50f3ca78a3240f6c997e8a9bd1eac49e4b38"
 
-js-yaml@^3.13.1:
-  version "3.13.1"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.13.1.tgz#aff151b30bfdfa8e49e05da22e7415e9dfa37847"
+js-yaml@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-4.1.1.tgz#854c292467705b699476e1a2decc0c8a3458806b"
   dependencies:
-    argparse "^1.0.7"
-    esprima "^4.0.0"
-
-sprintf-js@~1.0.2:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
+    argparse "^2.0.1"
 
 typescript@^3.8.3:
   version "3.8.3"