diff --git a/yarn.lock b/yarn.lock
index 260aef9..ecdc5f8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1117,12 +1117,12 @@ cosmiconfig@^5.2.1:
     parse-json "^4.0.0"
 
 coveralls@^3.0.1:
-  version "3.0.4"
-  resolved "https://registry.yarnpkg.com/coveralls/-/coveralls-3.0.4.tgz#f50233c9c62fd0973f710fce85fd19dba24cff4b"
-  integrity sha512-eyqUWA/7RT0JagiL0tThVhjbIjoiEUyWCjtUJoOPcWoeofP5WK/jb2OJYoBFrR6DvplR+AxOyuBqk4JHkk5ykA==
+  version "3.0.6"
+  resolved "https://registry.yarnpkg.com/coveralls/-/coveralls-3.0.6.tgz#5c63b2759b6781118e7439bd870ba5e9ee428b25"
+  integrity sha512-Pgh4v3gCI4T/9VijVrm8Ym5v0OgjvGLKj3zTUwkvsCiwqae/p6VLzpsFNjQS2i6ewV7ef+DjFJ5TSKxYt/mCrA==
   dependencies:
     growl "~> 1.10.0"
-    js-yaml "^3.11.0"
+    js-yaml "^3.13.1"
     lcov-parse "^0.0.10"
     log-driver "^1.2.7"
     minimist "^1.2.0"
@@ -2099,7 +2099,7 @@ js-levenshtein@^1.1.3:
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
   integrity sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==
 
-js-yaml@3.13.1, js-yaml@^3.11.0, js-yaml@^3.13.1:
+js-yaml@3.13.1, js-yaml@^3.13.1:
   version "3.13.1"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.13.1.tgz#aff151b30bfdfa8e49e05da22e7415e9dfa37847"
   integrity sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==