diff --git a/yarn.lock b/yarn.lock
old mode 100755
new mode 100644
index 8dfdeda..b85f829
--- a/yarn.lock
+++ b/yarn.lock
@@ -19,7 +19,7 @@
 
 "@sinonjs/formatio@^2.0.0":
   version "2.0.0"
-  resolved "http://registry.npmjs.org/@sinonjs/formatio/-/formatio-2.0.0.tgz#84db7e9eb5531df18a8c5e0bfb6e449e55e654b2"
+  resolved "https://registry.npmjs.org/@sinonjs/formatio/-/formatio-2.0.0.tgz#84db7e9eb5531df18a8c5e0bfb6e449e55e654b2"
   dependencies:
     samsam "1.3.0"
 
@@ -1871,7 +1871,7 @@ prelude-ls@~1.1.2:
 
 printj@~1.1.0, printj@~1.1.2:
   version "1.1.2"
-  resolved "http://registry.npmjs.org/printj/-/printj-1.1.2.tgz#d90deb2975a8b9f600fb3a1c94e3f4c53c78a222"
+  resolved "https://registry.npmjs.org/printj/-/printj-1.1.2.tgz#d90deb2975a8b9f600fb3a1c94e3f4c53c78a222"
 
 process-nextick-args@~2.0.0:
   version "2.0.0"
@@ -2552,8 +2552,9 @@ underscore.string@~2.4.0:
   resolved "https://registry.yarnpkg.com/underscore.string/-/underscore.string-2.4.0.tgz#8cdd8fbac4e2d2ea1e7e2e8097c42f442280f85b"
 
 underscore@^1.9.1:
-  version "1.9.1"
-  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.9.1.tgz#06dce34a0e68a7babc29b365b8e74b8925203961"
+  version "1.12.1"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.12.1.tgz#7bb8cc9b3d397e201cf8553336d262544ead829e"
+  integrity sha512-hEQt0+ZLDVUMhebKxL4x1BTtDY7bavVofhZ9KZ4aI26X9SRaE+Y3m83XUL1UP2jn8ynjndwCCpEHdUG+9pP1Tw==
 
 underscore@~1.7.0:
   version "1.7.0"