diff --git a/package.json b/package.json
index 167522b..090268e 100644
--- a/package.json
+++ b/package.json
@@ -79,7 +79,7 @@
     "eslint": "5.16.0",
     "eslint-config-prettier": "4.1.0",
     "eslint-plugin-prettier": "3.0.1",
-    "gulp": "4.0.0",
+    "gulp": "4.0.1",
     "gulp-concat": "2.6.1",
     "gulp-plumber": "1.2.1",
     "gulp-postcss": "8.0.0",
diff --git a/yarn.lock b/yarn.lock
index 998ceb2..94c7f31 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2881,6 +2881,16 @@ findup-sync@^2.0.0:
     micromatch "^3.0.4"
     resolve-dir "^1.0.1"
 
+findup-sync@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/findup-sync/-/findup-sync-3.0.0.tgz#17b108f9ee512dfb7a5c7f3c8b27ea9e1a9c08d1"
+  integrity sha512-YbffarhcicEhOrm4CtrwdKBdCuz576RLdhJDsIfvNtxUuhdRet1qZcsMjqbePtAseKdAnDyM/IyXbu7PRPRLYg==
+  dependencies:
+    detect-file "^1.0.0"
+    is-glob "^4.0.0"
+    micromatch "^3.0.4"
+    resolve-dir "^1.0.1"
+
 fined@^1.0.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/fined/-/fined-1.1.1.tgz#95d88ff329123dd1a6950fdfcd321f746271e01f"
@@ -3176,7 +3186,7 @@ glob-to-regexp@^0.3.0:
   resolved "https://registry.yarnpkg.com/glob-to-regexp/-/glob-to-regexp-0.3.0.tgz#8c5a1494d2066c570cc3bfe4496175acc4d502ab"
   integrity sha1-jFoUlNIGbFcMw7/kSWF1rMTVAqs=
 
-glob-watcher@^5.0.0:
+glob-watcher@^5.0.3:
   version "5.0.3"
   resolved "https://registry.yarnpkg.com/glob-watcher/-/glob-watcher-5.0.3.tgz#88a8abf1c4d131eb93928994bc4a593c2e5dd626"
   integrity sha512-8tWsULNEPHKQ2MR4zXuzSmqbdyV5PtwwCaWSGQ1WwHsJ07ilNeN1JB8ntxhckbnpSHaf9dXFUHzIWvm1I13dsg==
@@ -3373,10 +3383,10 @@ growl@~1.7.0:
   resolved "https://registry.yarnpkg.com/growl/-/growl-1.7.0.tgz#de2d66136d002e112ba70f3f10c31cf7c350b2da"
   integrity sha1-3i1mE20ALhErpw8/EMMc98NQsto=
 
-gulp-cli@^2.0.0:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/gulp-cli/-/gulp-cli-2.0.1.tgz#7847e220cb3662f2be8a6d572bf14e17be5a994b"
-  integrity sha512-RxujJJdN8/O6IW2nPugl7YazhmrIEjmiVfPKrWt68r71UCaLKS71Hp0gpKT+F6qOUFtr7KqtifDKaAJPRVvMYQ==
+gulp-cli@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/gulp-cli/-/gulp-cli-2.2.0.tgz#5533126eeb7fe415a7e3e84a297d334d5cf70ebc"
+  integrity sha512-rGs3bVYHdyJpLqR0TUBnlcZ1O5O++Zs4bA0ajm+zr3WFCfiSLjGwoCBqFs18wzN+ZxahT9DkOK5nDf26iDsWjA==
   dependencies:
     ansi-colors "^1.0.1"
     archy "^1.0.0"
@@ -3388,7 +3398,7 @@ gulp-cli@^2.0.0:
     gulplog "^1.0.0"
     interpret "^1.1.0"
     isobject "^3.0.1"
-    liftoff "^2.5.0"
+    liftoff "^3.1.0"
     matchdep "^2.0.0"
     mute-stdout "^1.0.0"
     pretty-hrtime "^1.0.0"
@@ -3480,14 +3490,14 @@ gulp-wait@0.0.2:
   dependencies:
     map-stream "0.0.4"
 
-gulp@4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/gulp/-/gulp-4.0.0.tgz#95766c601dade4a77ed3e7b2b6dc03881b596366"
-  integrity sha1-lXZsYB2t5Kd+0+eyttwDiBtZY2Y=
+gulp@4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/gulp/-/gulp-4.0.1.tgz#987a38a55a7d3677f6b49e291b06bc05809f33d9"
+  integrity sha512-yDVtVunxrAdsk7rIV/b7lVSBifPN1Eqe6wTjsESGrFcL+MEVzaaeNTkpUuGTUptloSOU+8oJm/lBJbgPV+tMAw==
   dependencies:
-    glob-watcher "^5.0.0"
-    gulp-cli "^2.0.0"
-    undertaker "^1.0.0"
+    glob-watcher "^5.0.3"
+    gulp-cli "^2.2.0"
+    undertaker "^1.2.1"
     vinyl-fs "^3.0.0"
 
 gulplog@^1.0.0:
@@ -4577,13 +4587,13 @@ levn@^0.3.0, levn@~0.3.0:
     prelude-ls "~1.1.2"
     type-check "~0.3.2"
 
-liftoff@^2.5.0:
-  version "2.5.0"
-  resolved "https://registry.yarnpkg.com/liftoff/-/liftoff-2.5.0.tgz#2009291bb31cea861bbf10a7c15a28caf75c31ec"
-  integrity sha1-IAkpG7Mc6oYbvxCnwVooyvdcMew=
+liftoff@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/liftoff/-/liftoff-3.1.0.tgz#c9ba6081f908670607ee79062d700df062c52ed3"
+  integrity sha512-DlIPlJUkCV0Ips2zf2pJP0unEoT1kwYhiiPUGF3s/jtxTCjziNLoiVVh+jqWOWeFi6mmwQ5fNxvAUyPad4Dfog==
   dependencies:
     extend "^3.0.0"
-    findup-sync "^2.0.0"
+    findup-sync "^3.0.0"
     fined "^1.0.1"
     flagged-respawn "^1.0.0"
     is-plain-object "^2.0.4"
@@ -8528,10 +8538,10 @@ undertaker-registry@^1.0.0:
   resolved "https://registry.yarnpkg.com/undertaker-registry/-/undertaker-registry-1.0.1.tgz#5e4bda308e4a8a2ae584f9b9a4359a499825cc50"
   integrity sha1-XkvaMI5KiirlhPm5pDWaSZglzFA=
 
-undertaker@^1.0.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/undertaker/-/undertaker-1.2.0.tgz#339da4646252d082dc378e708067299750e11b49"
-  integrity sha1-M52kZGJS0ILcN45wgGcpl1DhG0k=
+undertaker@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/undertaker/-/undertaker-1.2.1.tgz#701662ff8ce358715324dfd492a4f036055dfe4b"
+  integrity sha512-71WxIzDkgYk9ZS+spIB8iZXchFhAdEo2YU8xYqBYJ39DIUIqziK78ftm26eecoIY49X0J2MLhG4hr18Yp6/CMA==
   dependencies:
     arr-flatten "^1.0.1"
     arr-map "^2.0.0"