diff --git a/package.json b/package.json
index c15f9b5..4da9b03 100644
--- a/package.json
+++ b/package.json
@@ -84,7 +84,7 @@
     "webpack": "4.35.2",
     "webpack-dev-server": "3.2.1",
     "webpack-merge": "4.2.1",
-    "which": "1.3.1",
+    "which": "2.0.0",
     "workbox-webpack-plugin": "3.6.3",
     "yargs": "13.2.2"
   },
diff --git a/yarn.lock b/yarn.lock
index 611abd6..d636e38 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8727,7 +8727,14 @@ which-module@^2.0.0:
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
   integrity sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=
 
-which@1.3.1, which@^1.2.14, which@^1.2.9, which@^1.3.0:
+which@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/which/-/which-2.0.0.tgz#a80cdea6ce49ec6e071edabcba2dc28ac5165ec4"
+  integrity sha512-+/LPKsk2hvjYlLvcMr8jVybf6s19hBEAh0YqFbfO6Wndsb8jTuk1nzqXTRNn/mP3vlNApPHzvljEu2DyOL8tDA==
+  dependencies:
+    isexe "^2.0.0"
+
+which@^1.2.14, which@^1.2.9, which@^1.3.0:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/which/-/which-1.3.1.tgz#a45043d54f5805316da8d62f9f50918d3da70b0a"
   integrity sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==