diff --git a/package-lock.json b/package-lock.json
index ac8b00a..6dc46c7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -255,8 +255,8 @@
       "integrity": "sha512-PIt2cnwmPfL4hKNwqeiuz4bKfnzHTBv6HyVgjahA6mPLwPDzjDWrplJBMjHUFxku/N3FlmrbyPclad+I+4mJ3A==",
       "dev": true,
       "requires": {
-        "argparse": "1.0.10",
-        "esprima": "4.0.1"
+        "argparse": "^1.0.7",
+        "esprima": "^4.0.0"
       }
     },
     "loose-envify": {
diff --git a/yarn.lock b/yarn.lock
index d0a3462..94ac47c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -194,9 +194,9 @@ js-tokens@^3.0.2:
   integrity sha1-mGbfOVECEw449/mWvOtlRDIJwls=
 
 js-yaml@^3.7.0:
-  version "3.12.0"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.12.0.tgz#eaed656ec8344f10f527c6bfa1b6e2244de167d1"
-  integrity sha512-PIt2cnwmPfL4hKNwqeiuz4bKfnzHTBv6HyVgjahA6mPLwPDzjDWrplJBMjHUFxku/N3FlmrbyPclad+I+4mJ3A==
+  version "3.14.1"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.14.1.tgz#dae812fdb3825fa306609a8717383c50c36a0537"
+  integrity sha512-okMH7OXXJ7YrN9Ok3/SXrnu4iX9yOk+25nqX4imS2npuvTYDmo/QEZoqwZkYaIDk3jVvBOTOIEgEhaLOynBS9g==
   dependencies:
     argparse "^1.0.7"
     esprima "^4.0.0"
@@ -270,7 +270,7 @@ semver@^5.3.0:
 sprintf-js@~1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
-  integrity sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=
+  integrity sha512-D9cPgkvLlV3t3IzL0D0YLvGA9Ahk4PcvVwUbN0dSGr1aP0Nrt4AEnTUbuGvquEC0mA64Gqt1fzirlRs5ibXx8g==
 
 strip-ansi@^3.0.0:
   version "3.0.1"