diff --git a/plugins/gatsby-source-simplecast-rss/yarn.lock b/plugins/gatsby-source-simplecast-rss/yarn.lock
index 56583c8..4615270 100644
--- a/plugins/gatsby-source-simplecast-rss/yarn.lock
+++ b/plugins/gatsby-source-simplecast-rss/yarn.lock
@@ -83,13 +83,6 @@ dashdash@^1.12.0:
   dependencies:
     assert-plus "^1.0.0"
 
-debug@=3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
-  integrity sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==
-  dependencies:
-    ms "2.0.0"
-
 delayed-stream@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
@@ -129,11 +122,9 @@ fast-json-stable-stringify@^2.0.0:
   integrity sha1-1RQsDK7msRifh9OnYREGT4bIu/I=
 
 follow-redirects@^1.3.0:
-  version "1.6.1"
-  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.6.1.tgz#514973c44b5757368bad8bddfe52f81f015c94cb"
-  integrity sha512-t2JCjbzxQpWvbhts3l6SH1DKzSrx8a+SsaVf4h6bG4kOXUuPYS/kg2Lr4gQSb7eemaHqJkOThF1BGyjlUkO1GQ==
-  dependencies:
-    debug "=3.1.0"
+  version "1.14.8"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.14.8.tgz#016996fb9a11a100566398b1c6839337d7bfa8fc"
+  integrity sha512-1x0S9UVJHsQprFcEC/qnNzBLcIxsjAV905f/UkQxbclCsoTWlacCNOpQa/anodLl2uaEKFhfWOvM2Qg77+15zA==
 
 forever-agent@~0.6.1:
   version "0.6.1"
@@ -250,11 +241,6 @@ mime-types@^2.1.12, mime-types@~2.1.19:
   dependencies:
     mime-db "~1.38.0"
 
-ms@2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
-  integrity sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=
-
 oauth-sign@~0.9.0:
   version "0.9.0"
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.9.0.tgz#47a7b016baa68b5fa0ecf3dee08a85c679ac6455"